Vulnerability-Lookup

URL	Tags
https://github.com/nodeca/js-yaml/security/adviso…	x_refsource_CONFIRM

Vendor	Product	Version
nodeca	js-yaml	Affected: >= 4.0.0, < 4.2.0 Affected: < 3.15.0

FKIE_CVE-2026-53550

Vulnerability from fkie_nvd - Published: 2026-06-22 16:16 - Updated: 2026-07-09 20:33

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

js-yaml is a JavaScript YAML parser and dumper. Prior to 4.2.0 and 3.15.0, a crafted YAML document can trigger algorithmic CPU exhaustion in js-yaml merge-key processing (<<) by repeating the same alias many times in a merge sequence. This causes quadratic parse-time behavior relative to input size and can block a Node.js worker/event loop for seconds with a relatively small payload (tens of KB), resulting in denial of service. The issue is in merge handling inside lib/loader.js. This vulnerability is fixed in 4.2.0 and 3.15.0.

References

	URL	Tags
	security-advisories@github.com	https://github.com/nodeca/js-yaml/security/advisories/GHSA-h67p-54hq-rp68	Exploit, Mitigation, Vendor Advisory

Impacted products

	Vendor	Product	Version
	nodeca	js-yaml	*
	nodeca	js-yaml	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "js-yaml",
          "vendor": "nodeca",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 4.0.0, \u003c 4.2.0"
            },
            {
              "status": "affected",
              "version": "\u003c 3.15.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nodeca:js-yaml:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "6BA37F36-3871-48AF-97FA-C3EFA44746C9",
              "versionEndExcluding": "3.15.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nodeca:js-yaml:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "0CB244DD-6149-4E5B-A950-10C4FE3484CD",
              "versionEndExcluding": "4.2.0",
              "versionStartIncluding": "4.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "js-yaml is a JavaScript YAML parser and dumper. Prior to 4.2.0 and 3.15.0, a crafted YAML document can trigger algorithmic CPU exhaustion in js-yaml merge-key processing (\u003c\u003c) by repeating the same alias many times in a merge sequence. This causes quadratic parse-time behavior relative to input size and can block a Node.js worker/event loop for seconds with a relatively small payload (tens of KB), resulting in denial of service. The issue is in merge handling inside lib/loader.js. This vulnerability is fixed in 4.2.0 and 3.15.0."
    }
  ],
  "id": "CVE-2026-53550",
  "lastModified": "2026-07-09T20:33:57.993",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-53550",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-23T16:05:40.611324Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-22T16:16:38.447",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-h67p-54hq-rp68"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-407"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-H67P-54HQ-RP68

Vulnerability from github – Published: 2026-06-15 17:15 – Updated: 2026-06-29 15:05

Summary

JS-YAML: Quadratic-complexity DoS in merge key handling via repeated aliases

Details

Summary

A crafted YAML document can trigger algorithmic CPU exhaustion in js-yaml merge-key processing (<<) by repeating the same alias many times in a merge sequence.
This causes quadratic parse-time behavior relative to input size and can block a Node.js worker/event loop for seconds with a relatively small payload (tens of KB), resulting in denial of service.

Details

The issue is in merge handling inside lib/loader.js:

storeMappingPair(...) iterates every element of a merge sequence when key tag is tag:yaml.org,2002:merge.
For each element, it calls mergeMappings(...).
mergeMappings(...) computes Object.keys(source) and performs _hasOwnProperty.call(destination, key) checks for each key.

When input is of the form:

a: &a {k0:0, k1:0, ..., kK:0} b: {<<: [a, a, a, ... repeated M times ...]} all a entries refer to the same anchored object. After the first merge, subsequent merges are semantically no-ops, but the parser still reprocesses all keys each time. Resulting work is O(K * M), while input size is O(K + M), giving quadratic scaling as payload grows. Relevant code path: lib/loader.js in storeMappingPair(...) merge branch (keyTag === 'tag:yaml.org,2002:merge') lib/loader.js mergeMappings(...)

Root cause

File: lib/loader.js Function: storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startLineStart, startPos) Lines: ~359-366

if (keyTag === 'tag:yaml.org,2002:merge') {
  if (Array.isArray(valueNode)) {
    for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {
      mergeMappings(state, _result, valueNode[index], overridableKeys);
    }
  } else {
    mergeMappings(state, _result, valueNode, overridableKeys);
  }
}

When the merge value is a sequence (YAML 1.1 <<: [ a, a, ... ]), each element is handed to mergeMappings() without deduplication. mergeMappings() then does

sourceKeys = Object.keys(source);
for (index = 0; index < sourceKeys.length; index += 1) {
  key = sourceKeys[index];
  if (!_hasOwnProperty.call(destination, key)) {
    setProperty(destination, key, source[key]);
    overridableKeys[key] = true;
  }
}

Every alias reference in the sequence resolves (by design) to the SAME object via state.anchorMap. After the first merge, every subsequent merge of that same reference is a pure no-op semantically, but still performs:

one Object.keys(source) call (O(K))
K _hasOwnProperty.call checks on the destination

Total: M * K hasOwnProperty checks + M Object.keys allocations, while the final object and all observable side effects are identical to a single merge.

YAML semantics for <<: are idempotent and commutative over duplicate sources, so collapsing duplicates preserves behavior exactly; this isn't a spec trade-off.

PoC

Environment: js-yaml version: 4.1.1 Node.js: v24.5.0 Platform: arm64 macOS (reproduced consistently) Reproduction script: Create many keys in one anchored map (&a). Merge that same alias repeatedly via <<: [a, a, ...]. Measure parse time and compare with control payload using single merge (<<: *a). Observed repeated runs (same machine): K=M=1000, input 9,909 bytes: ~33–36 ms K=M=2000, input 20,909 bytes: ~121–123 ms K=M=4000, input 42,909 bytes: ~524–537 ms K=M=6000, input 64,909 bytes: ~1,608–1,829 ms K=M=8000, input 86,909 bytes: ~3,395–3,565 ms Control (single merge, similar key counts): K=2000: ~1–2 ms K=4000: ~3 ms K=8000: ~5 ms Also verified: repeated-merge output equals single-merge output (same key count and same JSON), confirming excess time is redundant computation.

Impact

This is a denial-of-service vulnerability (CPU exhaustion / algorithmic complexity). Any service parsing untrusted YAML with js-yaml can be impacted, including API backends, CI tools, config processors, and automation services. An attacker can submit crafted YAML to significantly increase CPU time and reduce availability.

Suggested fix:

Dedupe the merge source list by reference before invoking mergeMappings. Any of the following are minimal and preserve YAML 1.1 merge semantics:

dedupe in storeMappingPair:

if (keyTag === 'tag:yaml.org,2002:merge') {
  if (Array.isArray(valueNode)) {
    var seen = new Set();
    for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {
      var src = valueNode[index];
      if (seen.has(src)) continue;   // idempotent; skip redundant alias
      seen.add(src);
      mergeMappings(state, _result, src, overridableKeys);
    }
  } else {
    mergeMappings(state, _result, valueNode, overridableKeys);
  }
}

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.1.1"
      },
      "package": {
        "ecosystem": "npm",
        "name": "js-yaml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.2.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "js-yaml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.15.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-53550"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-407"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-15T17:15:07Z",
    "nvd_published_at": "2026-06-22T16:16:38Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nA crafted YAML document can trigger algorithmic CPU exhaustion in `js-yaml` merge-key processing (`\u003c\u003c`) by repeating the same alias many times in a merge sequence.  \nThis causes quadratic parse-time behavior relative to input size and can block a Node.js worker/event loop for seconds with a relatively small payload (tens of KB), resulting in denial of service.\n\n### Details\nThe issue is in merge handling inside `lib/loader.js`:\n\n- `storeMappingPair(...)` iterates every element of a merge sequence when key tag is `tag:yaml.org,2002:merge`.\n- For each element, it calls `mergeMappings(...)`.\n- `mergeMappings(...)` computes `Object.keys(source)` and performs `_hasOwnProperty.call(destination, key)` checks for each key.\n\nWhen input is of the form:\n\na: \u0026a {k0:0, k1:0, ..., kK:0}\nb: {\u003c\u003c: [*a, *a, *a, ... repeated M times ...]}\nall *a entries refer to the same anchored object. After the first merge, subsequent merges are semantically no-ops, but the parser still reprocesses all keys each time.\nResulting work is O(K * M), while input size is O(K + M), giving quadratic scaling as payload grows.\nRelevant code path:\nlib/loader.js in storeMappingPair(...) merge branch (keyTag === \u0027tag:yaml.org,2002:merge\u0027)\nlib/loader.js mergeMappings(...)\n\n\n### Root cause\nFile:       lib/loader.js\nFunction:   storeMappingPair(state, _result, overridableKeys, keyTag, keyNode,\n                             valueNode, startLine, startLineStart, startPos)\nLines:      ~359-366\n\n    if (keyTag === \u0027tag:yaml.org,2002:merge\u0027) {\n      if (Array.isArray(valueNode)) {\n        for (index = 0, quantity = valueNode.length; index \u003c quantity; index += 1) {\n          mergeMappings(state, _result, valueNode[index], overridableKeys);\n        }\n      } else {\n        mergeMappings(state, _result, valueNode, overridableKeys);\n      }\n    }\n\nWhen the merge value is a sequence (YAML 1.1 \u003c\u003c: [ *a, *a, ... ]), each element\nis handed to mergeMappings() without deduplication. mergeMappings() then does\n\n    sourceKeys = Object.keys(source);\n    for (index = 0; index \u003c sourceKeys.length; index += 1) {\n      key = sourceKeys[index];\n      if (!_hasOwnProperty.call(destination, key)) {\n        setProperty(destination, key, source[key]);\n        overridableKeys[key] = true;\n      }\n    }\n\nEvery alias reference in the sequence resolves (by design) to the SAME object\nvia state.anchorMap. After the first merge, every subsequent merge of that same\nreference is a pure no-op semantically, but still performs:\n\n  * one Object.keys(source) call (O(K))\n  * K _hasOwnProperty.call checks on the destination\n\nTotal: M * K hasOwnProperty checks + M Object.keys allocations, while the final\nobject and all observable side effects are identical to a single merge.\n\nYAML semantics for `\u003c\u003c:` are idempotent and commutative over duplicate sources,\nso collapsing duplicates preserves behavior exactly; this isn\u0027t a spec trade-off.\n\n\n### PoC\nEnvironment:\njs-yaml version: 4.1.1\nNode.js: v24.5.0\nPlatform: arm64 macOS (reproduced consistently)\nReproduction script:\nCreate many keys in one anchored map (\u0026a).\nMerge that same alias repeatedly via \u003c\u003c: [*a, *a, ...].\nMeasure parse time and compare with control payload using single merge (\u003c\u003c: *a).\nObserved repeated runs (same machine):\nK=M=1000, input 9,909 bytes: ~33\u201336 ms\nK=M=2000, input 20,909 bytes: ~121\u2013123 ms\nK=M=4000, input 42,909 bytes: ~524\u2013537 ms\nK=M=6000, input 64,909 bytes: ~1,608\u20131,829 ms\nK=M=8000, input 86,909 bytes: ~3,395\u20133,565 ms\nControl (single merge, similar key counts):\nK=2000: ~1\u20132 ms\nK=4000: ~3 ms\nK=8000: ~5 ms\nAlso verified: repeated-merge output equals single-merge output (same key count and same JSON), confirming excess time is redundant computation.\n\n\n### Impact\nThis is a denial-of-service vulnerability (CPU exhaustion / algorithmic complexity).\nAny service parsing untrusted YAML with js-yaml can be impacted, including API backends, CI tools, config processors, and automation services. An attacker can submit crafted YAML to significantly increase CPU time and reduce availability.\n\n### Suggested fix:\nDedupe the merge source list by reference before invoking mergeMappings. Any of\nthe following are minimal and preserve YAML 1.1 merge semantics:\n\ndedupe in storeMappingPair:\n\n    if (keyTag === \u0027tag:yaml.org,2002:merge\u0027) {\n      if (Array.isArray(valueNode)) {\n        var seen = new Set();\n        for (index = 0, quantity = valueNode.length; index \u003c quantity; index += 1) {\n          var src = valueNode[index];\n          if (seen.has(src)) continue;   // idempotent; skip redundant alias\n          seen.add(src);\n          mergeMappings(state, _result, src, overridableKeys);\n        }\n      } else {\n        mergeMappings(state, _result, valueNode, overridableKeys);\n      }\n    }",
  "id": "GHSA-h67p-54hq-rp68",
  "modified": "2026-06-29T15:05:57Z",
  "published": "2026-06-15T17:15:07Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-h67p-54hq-rp68"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53550"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nodeca/js-yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "JS-YAML: Quadratic-complexity DoS in merge key handling via repeated aliases"
}

RHSA-2026:33866

Vulnerability from csaf_redhat - Published: 2026-06-30 22:56 - Updated: 2026-07-14 23:55

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Severity

Important

Notes

Topic: An update for Red Hat Hardened Images RPMs is now available.

Details: This update includes the following RPMs: nodejs26: * nodejs26-26.4.0-1.3.hum1 (aarch64, x86_64) * nodejs26-bin-26.4.0-1.3.hum1 (noarch) * nodejs26-devel-26.4.0-1.3.hum1 (aarch64, x86_64) * nodejs26-docs-26.4.0-1.3.hum1 (noarch) * nodejs26-full-i18n-26.4.0-1.3.hum1 (aarch64, x86_64) * nodejs26-libs-26.4.0-1.3.hum1 (aarch64, x86_64) * nodejs26-npm-11.17.0-1.26.4.0.1.3.hum1 (noarch) * nodejs26-npm-bin-26.4.0-1.3.hum1 (noarch) * v8-14.6-devel-14.6.202.34-1.26.4.0.1.3.hum1 (aarch64, x86_64) * nodejs26-26.4.0-1.3.hum1.src (src) Security Fix(es): nodejs26: * CVE-2026-13149

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2026-13149

A flaw was found in brace-expansion. An attacker can exploit a vulnerability in the `expand()` function by providing a specially crafted string. This string, containing consecutive non-expanding brace groups, can trigger exponential-time complexity, leading to significant CPU consumption and event-loop blocking. This can result in a Denial of Service (DoS) for the affected system.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-1333 - Inefficient Regular Expression Complexity

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs26-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

CVE-2026-48619

A flaw was found in Node.js. A malicious server can exploit the HTTP/2 client by sending an unlimited number of ORIGIN frames. This can lead to an Out of Memory error on the client, resulting in a denial of service.

5.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-770 - Allocation of Resources Without Limits or Throttling

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs26-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48928

A flaw was found in Node.js. An inconsistency in how Node.js matches hostnames can be exploited by a remote attacker in multi-context mTLS (mutual Transport Layer Security) setups. This vulnerability allows for a trust-policy bypass, potentially leading to unauthorized access to sensitive information or integrity compromise within the affected system.

4.2 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

CWE-289 - Authentication Bypass by Alternate Name

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs26-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48930

A flaw was found in Node.js. This vulnerability in the TLS (Transport Layer Security) hostname handling allows embedded null characters in hostnames. This can lead to silent authority rebinding, potentially enabling an attacker to redirect network traffic to an unintended server and disclose sensitive information.

5.6 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE-170 - Improper Null Termination

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs26-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48934

A flaw was found in Node.js. An attacker can exploit a vulnerability in the Transport Layer Security (TLS) host verification process to bypass certification validation. This bypass could allow an attacker to intercept or alter communications, potentially leading to information disclosure or integrity compromise.

4.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE-295 - Improper Certificate Validation

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs26-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48935

A flaw was found in Node.js. The Permission API allows a local user to modify file metadata on paths that have been explicitly set as read-only. This can lead to unauthorized changes in file properties, impacting the integrity of the file system.

3.3 (Low)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CWE-279 - Incorrect Execution-Assigned Permissions

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs26-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Low

CVE-2026-48936

A flaw was found in Node.js. The Node.js Permission API can allow a local server to be started through a Unix domain socket, even when the `--allow-net` permission is not explicitly granted. This bypasses intended security restrictions, potentially leading to unintended local network exposure or integrity impact.

3.3 (Low)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CWE-648 - Incorrect Use of Privileged APIs

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs26-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Low

CVE-2026-53550

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker can exploit this vulnerability by providing a specially crafted YAML document that repeatedly uses the same alias in a merge sequence. This can lead to algorithmic CPU exhaustion, causing the Node.js worker or event loop to be blocked for an extended period, resulting in a denial of service (DoS) for the affected system.

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-1333 - Inefficient Regular Expression Complexity

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs26-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs26-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

References

52 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:33866	self
https://access.redhat.com/security/cve/CVE-2026-13149	external
https://access.redhat.com/security/updates/classi…	external
https://images.redhat.com/	external
https://access.redhat.com/security/cve/CVE-2026-53550	external
https://access.redhat.com/security/cve/CVE-2026-48936	external
https://access.redhat.com/security/cve/CVE-2026-48934	external
https://access.redhat.com/security/cve/CVE-2026-48928	external
https://access.redhat.com/security/cve/CVE-2026-48930	external
https://access.redhat.com/security/cve/CVE-2026-48619	external
https://access.redhat.com/security/cve/CVE-2026-48935	external
https://access.redhat.com/security/cve/CVE-2026-59870	external
https://access.redhat.com/security/cve/CVE-2026-59868	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-13149	self
https://bugzilla.redhat.com/show_bug.cgi?id=2494813	external
https://www.cve.org/CVERecord?id=CVE-2026-13149	external
https://nvd.nist.gov/vuln/detail/CVE-2026-13149	external
https://github.com/juliangruber/brace-expansion/c…	external
https://www.npmjs.com/package/brace-expansion	external
https://access.redhat.com/security/cve/CVE-2026-48619	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493325	external
https://www.cve.org/CVERecord?id=CVE-2026-48619	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48619	external
https://nodejs.org/en/blog/vulnerability/june-202…	external
https://access.redhat.com/security/cve/CVE-2026-48928	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493333	external
https://www.cve.org/CVERecord?id=CVE-2026-48928	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48928	external
https://access.redhat.com/security/cve/CVE-2026-48930	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493326	external
https://www.cve.org/CVERecord?id=CVE-2026-48930	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48930	external
https://github.com/nodejs/node/commit/7dafafa2424…	external
https://hackerone.com/reports/3656716	external
https://access.redhat.com/security/cve/CVE-2026-48934	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493332	external
https://www.cve.org/CVERecord?id=CVE-2026-48934	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48934	external
https://access.redhat.com/security/cve/CVE-2026-48935	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493329	external
https://www.cve.org/CVERecord?id=CVE-2026-48935	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48935	external
https://access.redhat.com/security/cve/CVE-2026-48936	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493336	external
https://www.cve.org/CVERecord?id=CVE-2026-48936	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48936	external
https://access.redhat.com/security/cve/CVE-2026-53550	self
https://bugzilla.redhat.com/show_bug.cgi?id=2491401	external
https://www.cve.org/CVERecord?id=CVE-2026-53550	external
https://nvd.nist.gov/vuln/detail/CVE-2026-53550	external
https://github.com/nodeca/js-yaml/security/adviso…	external

JSON

To clipboard

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      "discovery_date": "2026-06-30T10:00:59.843854+00:00",
      "ids": [
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          "text": "2494813"
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          "category": "description",
          "text": "A flaw was found in brace-expansion. An attacker can exploit a vulnerability in the `expand()` function by providing a specially crafted string. This string, containing consecutive non-expanding brace groups, can trigger exponential-time complexity, leading to significant CPU consumption and event-loop blocking. This can result in a Denial of Service (DoS) for the affected system.",
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          "title": "Statement"
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          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
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          "product_ids": [
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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            "Red Hat Hardened Images:nodejs26-main@noarch",
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            "Red Hat Hardened Images:nodejs26-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity"
    },
    {
      "cve": "CVE-2026-48619",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-06-26T02:01:06.466413+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2493325"
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      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Node.js. A malicious server can exploit the HTTP/2 client by sending an unlimited number of ORIGIN frames. This can lead to an Out of Memory error on the client, resulting in a denial of service.",
          "title": "Vulnerability description"
        },
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          "text": "nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This Moderate flaw in the Node.js HTTP/2 client can lead to a denial of service. A malicious server could exploit this by sending an excessive number of ORIGIN frames, causing the client to consume all available memory. This affects Red Hat products utilizing Node.js as an HTTP/2 client.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        {
          "category": "external",
          "summary": "RHBZ#2493336",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493336"
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        },
        {
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        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"
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          "date": "2026-06-30T22:56:15+00:00",
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      "scores": [
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            "baseScore": 3.3,
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "nodejs: Node.js: Local server can be started without network permission via Permission API flaw"
    },
    {
      "cve": "CVE-2026-53550",
      "cwe": {
        "id": "CWE-1333",
        "name": "Inefficient Regular Expression Complexity"
      },
      "discovery_date": "2026-06-22T16:01:01.300830+00:00",
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          "text": "2491401"
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          "text": "A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker can exploit this vulnerability by providing a specially crafted YAML document that repeatedly uses the same alias in a merge sequence. This can lead to algorithmic CPU exhaustion, causing the Node.js worker or event loop to be blocked for an extended period, resulting in a denial of service (DoS) for the affected system.",
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          "text": "js-yaml: js-yaml: Denial of Service via crafted YAML merge keys",
          "title": "Vulnerability summary"
        },
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  ]
}

RHSA-2026:37534

Vulnerability from csaf_redhat - Published: 2026-07-10 03:39 - Updated: 2026-07-14 20:41

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Severity

Important

Notes

Topic: An update for Red Hat Hardened Images RPMs is now available.

Details: This update includes the following RPMs: nodejs25: * nodejs25-25.9.0-1.3.hum1 (aarch64, x86_64) * nodejs25-bin-25.9.0-1.3.hum1 (noarch) * nodejs25-devel-25.9.0-1.3.hum1 (aarch64, x86_64) * nodejs25-docs-25.9.0-1.3.hum1 (noarch) * nodejs25-full-i18n-25.9.0-1.3.hum1 (aarch64, x86_64) * nodejs25-libs-25.9.0-1.3.hum1 (aarch64, x86_64) * nodejs25-npm-11.12.1-1.25.9.0.1.3.hum1 (noarch) * nodejs25-npm-bin-25.9.0-1.3.hum1 (noarch) * v8-14.1-devel-14.1.146.11-1.25.9.0.1.3.hum1 (aarch64, x86_64) * nodejs25-25.9.0-1.3.hum1.src (src) Security Fix(es): nodejs25: * CVE-2026-59869

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2026-59869

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker could exploit this vulnerability by providing a specially crafted YAML document containing a chain of mappings with merge keys. This could cause the parser to consume excessive CPU resources, leading to a Denial of Service (DoS) for the affected system.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-606 - Unchecked Input for Loop Condition

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs25-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs25-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs25-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs25-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

14 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:37534	self
https://access.redhat.com/security/cve/CVE-2026-59869	external
https://access.redhat.com/security/updates/classi…	external
https://images.redhat.com/	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-59869	self
https://bugzilla.redhat.com/show_bug.cgi?id=2498122	external
https://www.cve.org/CVERecord?id=CVE-2026-59869	external
https://nvd.nist.gov/vuln/detail/CVE-2026-59869	external
https://github.com/nodeca/js-yaml/commit/24f13e79…	external
https://github.com/nodeca/js-yaml/commit/59423c6f…	external
https://github.com/nodeca/js-yaml/releases/tag/3.15.0	external
https://github.com/nodeca/js-yaml/releases/tag/4.3.0	external
https://github.com/nodeca/js-yaml/security/adviso…	external

JSON

To clipboard

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          "url": "https://github.com/nodeca/js-yaml/commit/24f13e79ee1343a7e30bd6f6c9d9cdbf0ac9b2b7"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/commit/59423c6f8cdc78742ac00e25a4dd39ef16b702e4",
          "url": "https://github.com/nodeca/js-yaml/commit/59423c6f8cdc78742ac00e25a4dd39ef16b702e4"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/releases/tag/3.15.0",
          "url": "https://github.com/nodeca/js-yaml/releases/tag/3.15.0"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/releases/tag/4.3.0",
          "url": "https://github.com/nodeca/js-yaml/releases/tag/4.3.0"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-52cp-r559-cp3m",
          "url": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-52cp-r559-cp3m"
        }
      ],
      "release_date": "2026-07-08T15:15:54.675000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-07-10T03:39:01+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:nodejs25-main@aarch64",
            "Red Hat Hardened Images:nodejs25-main@noarch",
            "Red Hat Hardened Images:nodejs25-main@src",
            "Red Hat Hardened Images:nodejs25-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:37534"
        },
        {
          "category": "workaround",
          "details": "To reduce exposure, restrict the processing of untrusted YAML documents by applications that rely on `js-yaml`. Implement robust input validation and sanitization for all YAML data originating from external or untrusted sources. Consider limiting network access to services that parse YAML content to trusted networks or clients through appropriate firewall configurations.",
          "product_ids": [
            "Red Hat Hardened Images:nodejs25-main@aarch64",
            "Red Hat Hardened Images:nodejs25-main@noarch",
            "Red Hat Hardened Images:nodejs25-main@src",
            "Red Hat Hardened Images:nodejs25-main@x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:nodejs25-main@aarch64",
            "Red Hat Hardened Images:nodejs25-main@noarch",
            "Red Hat Hardened Images:nodejs25-main@src",
            "Red Hat Hardened Images:nodejs25-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "js-yaml: js-yaml: Denial of Service via crafted YAML documents"
    }
  ]
}

RHSA-2026:37577

Vulnerability from csaf_redhat - Published: 2026-07-10 05:14 - Updated: 2026-07-15 12:49

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Severity

Important

Notes

Topic: An update for Red Hat Hardened Images RPMs is now available.

Details: This update includes the following RPMs: dotnet8.0: * aspnetcore-runtime-8.0-8.0.28-1.1.hum1 (aarch64, x86_64) * aspnetcore-runtime-dbg-8.0-8.0.28-1.1.hum1 (aarch64, x86_64) * aspnetcore-targeting-pack-8.0-8.0.28-1.1.hum1 (aarch64, x86_64) * dotnet-apphost-pack-8.0-8.0.28-1.1.hum1 (aarch64, x86_64) * dotnet-hostfxr-8.0-8.0.28-1.1.hum1 (aarch64, x86_64) * dotnet-runtime-8.0-8.0.28-1.1.hum1 (aarch64, x86_64) * dotnet-runtime-dbg-8.0-8.0.28-1.1.hum1 (aarch64, x86_64) * dotnet-sdk-8.0-8.0.128-1.1.hum1 (aarch64, x86_64) * dotnet-sdk-8.0-source-built-artifacts-8.0.128-1.1.hum1 (aarch64, x86_64) * dotnet-sdk-dbg-8.0-8.0.128-1.1.hum1 (aarch64, x86_64) * dotnet-targeting-pack-8.0-8.0.28-1.1.hum1 (aarch64, x86_64) * dotnet-templates-8.0-8.0.128-1.1.hum1 (aarch64, x86_64) * dotnet8.0-8.0.128-1.1.hum1.src (src) Security Fix(es): dotnet8.0: * CVE-2026-59725 * CVE-2026-59869

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2026-39245

A flaw was found in the `decompress` component. An improper path containment check allows a local attacker to perform directory traversal. This vulnerability, when combined with unvalidated symlink creation, enables an attacker to write arbitrary files to directories outside the intended extraction target. This issue bypasses a previous fix for CVE-2020-12265.

6.2 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected products

Fixed 3 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:dotnet8-0-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:dotnet8-0-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:dotnet8-0-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-59725

A flaw was found in Socket.IO, specifically within the Engine.IO protocol v4 polling transport. An unauthenticated attacker can exploit this vulnerability by sending invalid binary POST requests with a Content-Type of application/octet-stream. This improper handling of requests prevents the HTTP response from being properly closed, which can lead to the exhaustion of server-side connections and sockets. The primary consequence is a Denial of Service (DoS), making the affected service unavailable to legitimate users.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-772 - Missing Release of Resource after Effective Lifetime

Affected products

Fixed 3 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:dotnet8-0-main@aarch64	—	Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:dotnet8-0-main@src	—	Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:dotnet8-0-main@x86_64	—	Vendor Fix fix

Threats

Impact Important

CVE-2026-59869

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker could exploit this vulnerability by providing a specially crafted YAML document containing a chain of mappings with merge keys. This could cause the parser to consume excessive CPU resources, leading to a Denial of Service (DoS) for the affected system.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-606 - Unchecked Input for Loop Condition

Affected products

Fixed 3 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:dotnet8-0-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:dotnet8-0-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:dotnet8-0-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

33 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:37577	self
https://access.redhat.com/security/cve/CVE-2026-59725	external
https://access.redhat.com/security/cve/CVE-2026-59869	external
https://access.redhat.com/security/updates/classi…	external
https://images.redhat.com/	external
https://access.redhat.com/security/cve/CVE-2026-39243	external
https://access.redhat.com/security/cve/CVE-2026-39245	external
https://access.redhat.com/security/cve/CVE-2020-12265	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-39245	self
https://bugzilla.redhat.com/show_bug.cgi?id=2498814	external
https://www.cve.org/CVERecord?id=CVE-2026-39245	external
https://nvd.nist.gov/vuln/detail/CVE-2026-39245	external
https://github.com/kevva/decompress	external
https://github.com/kevva/decompress/issues/115	external
https://nvd.nist.gov/vuln/detail/CVE-2020-12265	external
https://www.npmjs.com/package/decompress	external
https://access.redhat.com/security/cve/CVE-2026-59725	self
https://bugzilla.redhat.com/show_bug.cgi?id=2498118	external
https://www.cve.org/CVERecord?id=CVE-2026-59725	external
https://nvd.nist.gov/vuln/detail/CVE-2026-59725	external
https://github.com/socketio/socket.io/commit/fc11…	external
https://github.com/socketio/socket.io/releases/ta…	external
https://github.com/socketio/socket.io/security/ad…	external
https://access.redhat.com/security/cve/CVE-2026-59869	self
https://bugzilla.redhat.com/show_bug.cgi?id=2498122	external
https://www.cve.org/CVERecord?id=CVE-2026-59869	external
https://nvd.nist.gov/vuln/detail/CVE-2026-59869	external
https://github.com/nodeca/js-yaml/commit/24f13e79…	external
https://github.com/nodeca/js-yaml/commit/59423c6f…	external
https://github.com/nodeca/js-yaml/releases/tag/3.15.0	external
https://github.com/nodeca/js-yaml/releases/tag/4.3.0	external
https://github.com/nodeca/js-yaml/security/adviso…	external

JSON

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      "release_date": "2026-07-09T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-07-10T05:14:22+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:dotnet8-0-main@aarch64",
            "Red Hat Hardened Images:dotnet8-0-main@src",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:37577"
        },
        {
          "category": "workaround",
          "details": "No upstream fix is available. The decompress package is unmaintained and no 4.2.2 release was ever published. Applications should avoid extracting untrusted archives with decompress 4.2.1, or migrate to a maintained fork such as @xhmikosr/decompress.",
          "product_ids": [
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            "Red Hat Hardened Images:dotnet8-0-main@src",
            "Red Hat Hardened Images:dotnet8-0-main@x86_64"
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            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 6.2,
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            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          ]
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "decompress: decompress: path traversal via indexOf containment bypass allows arbitrary file write (bypass of CVE-2020-12265 fix)"
    },
    {
      "cve": "CVE-2026-59725",
      "cwe": {
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        "name": "Missing Release of Resource after Effective Lifetime"
      },
      "discovery_date": "2026-07-08T16:01:21.270461+00:00",
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      },
      "discovery_date": "2026-07-08T16:01:38.408322+00:00",
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        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2498122"
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        {
          "category": "description",
          "text": "A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker could exploit this vulnerability by providing a specially crafted YAML document containing a chain of mappings with merge keys. This could cause the parser to consume excessive CPU resources, leading to a Denial of Service (DoS) for the affected system.",
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          "text": "js-yaml: js-yaml: Denial of Service via crafted YAML documents",
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        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/commit/24f13e79ee1343a7e30bd6f6c9d9cdbf0ac9b2b7",
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        },
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      ],
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          "category": "vendor_fix",
          "date": "2026-07-10T05:14:22+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
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          ],
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        },
        {
          "category": "workaround",
          "details": "To reduce exposure, restrict the processing of untrusted YAML documents by applications that rely on `js-yaml`. Implement robust input validation and sanitization for all YAML data originating from external or untrusted sources. Consider limiting network access to services that parse YAML content to trusted networks or clients through appropriate firewall configurations.",
          "product_ids": [
            "Red Hat Hardened Images:dotnet8-0-main@aarch64",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
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            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
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      ],
      "title": "js-yaml: js-yaml: Denial of Service via crafted YAML documents"
    }
  ]
}

RHSA-2026:38236

Vulnerability from csaf_redhat - Published: 2026-07-11 04:58 - Updated: 2026-07-14 20:41

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Severity

Important

Notes

Topic: An update for Red Hat Hardened Images RPMs is now available.

Details: This update includes the following RPMs: nodejs24: * nodejs24-24.18.0-0.3.hum1 (aarch64, x86_64) * nodejs24-bin-24.18.0-0.3.hum1 (noarch) * nodejs24-devel-24.18.0-0.3.hum1 (aarch64, x86_64) * nodejs24-docs-24.18.0-0.3.hum1 (noarch) * nodejs24-full-i18n-24.18.0-0.3.hum1 (aarch64, x86_64) * nodejs24-libs-24.18.0-0.3.hum1 (aarch64, x86_64) * nodejs24-npm-11.16.0-1.24.18.0.0.3.hum1 (noarch) * nodejs24-npm-bin-24.18.0-0.3.hum1 (noarch) * v8-13.6-devel-13.6.233.17-1.24.18.0.0.3.hum1 (aarch64, x86_64) * nodejs24-24.18.0-0.3.hum1.src (src) Security Fix(es): nodejs24: * CVE-2026-59869

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2026-59869

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker could exploit this vulnerability by providing a specially crafted YAML document containing a chain of mappings with merge keys. This could cause the parser to consume excessive CPU resources, leading to a Denial of Service (DoS) for the affected system.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-606 - Unchecked Input for Loop Condition

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs24-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs24-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs24-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs24-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

14 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:38236	self
https://access.redhat.com/security/cve/CVE-2026-59869	external
https://access.redhat.com/security/updates/classi…	external
https://images.redhat.com/	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-59869	self
https://bugzilla.redhat.com/show_bug.cgi?id=2498122	external
https://www.cve.org/CVERecord?id=CVE-2026-59869	external
https://nvd.nist.gov/vuln/detail/CVE-2026-59869	external
https://github.com/nodeca/js-yaml/commit/24f13e79…	external
https://github.com/nodeca/js-yaml/commit/59423c6f…	external
https://github.com/nodeca/js-yaml/releases/tag/3.15.0	external
https://github.com/nodeca/js-yaml/releases/tag/4.3.0	external
https://github.com/nodeca/js-yaml/security/adviso…	external

JSON

To clipboard

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            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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}

RHSA-2026:38304

Vulnerability from csaf_redhat - Published: 2026-07-12 17:35 - Updated: 2026-07-14 20:41

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Severity

Important

Notes

Topic: An update for Red Hat Hardened Images RPMs is now available.

Details: This update includes the following RPMs: nodejs22: * nodejs22-22.23.1-2.1.hum1 (aarch64, x86_64) * nodejs22-bin-22.23.1-2.1.hum1 (noarch) * nodejs22-devel-22.23.1-2.1.hum1 (aarch64, x86_64) * nodejs22-docs-22.23.1-2.1.hum1 (noarch) * nodejs22-full-i18n-22.23.1-2.1.hum1 (aarch64, x86_64) * nodejs22-libs-22.23.1-2.1.hum1 (aarch64, x86_64) * nodejs22-npm-10.9.8-1.22.23.1.2.1.hum1 (noarch) * nodejs22-npm-bin-22.23.1-2.1.hum1 (noarch) * v8-12.4-devel-12.4.254.21-1.22.23.1.2.1.hum1 (aarch64, x86_64) * nodejs22-22.23.1-2.1.hum1.src (src) Security Fix(es): nodejs22: * CVE-2026-59869

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2026-59869

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker could exploit this vulnerability by providing a specially crafted YAML document containing a chain of mappings with merge keys. This could cause the parser to consume excessive CPU resources, leading to a Denial of Service (DoS) for the affected system.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-606 - Unchecked Input for Loop Condition

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs22-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs22-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs22-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs22-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

14 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:38304	self
https://access.redhat.com/security/cve/CVE-2026-59869	external
https://access.redhat.com/security/updates/classi…	external
https://images.redhat.com/	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-59869	self
https://bugzilla.redhat.com/show_bug.cgi?id=2498122	external
https://www.cve.org/CVERecord?id=CVE-2026-59869	external
https://nvd.nist.gov/vuln/detail/CVE-2026-59869	external
https://github.com/nodeca/js-yaml/commit/24f13e79…	external
https://github.com/nodeca/js-yaml/commit/59423c6f…	external
https://github.com/nodeca/js-yaml/releases/tag/3.15.0	external
https://github.com/nodeca/js-yaml/releases/tag/4.3.0	external
https://github.com/nodeca/js-yaml/security/adviso…	external

JSON

To clipboard

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          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/commit/24f13e79ee1343a7e30bd6f6c9d9cdbf0ac9b2b7",
          "url": "https://github.com/nodeca/js-yaml/commit/24f13e79ee1343a7e30bd6f6c9d9cdbf0ac9b2b7"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/commit/59423c6f8cdc78742ac00e25a4dd39ef16b702e4",
          "url": "https://github.com/nodeca/js-yaml/commit/59423c6f8cdc78742ac00e25a4dd39ef16b702e4"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/releases/tag/3.15.0",
          "url": "https://github.com/nodeca/js-yaml/releases/tag/3.15.0"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/releases/tag/4.3.0",
          "url": "https://github.com/nodeca/js-yaml/releases/tag/4.3.0"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-52cp-r559-cp3m",
          "url": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-52cp-r559-cp3m"
        }
      ],
      "release_date": "2026-07-08T15:15:54.675000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-07-12T17:35:26+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:nodejs22-main@aarch64",
            "Red Hat Hardened Images:nodejs22-main@noarch",
            "Red Hat Hardened Images:nodejs22-main@src",
            "Red Hat Hardened Images:nodejs22-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:38304"
        },
        {
          "category": "workaround",
          "details": "To reduce exposure, restrict the processing of untrusted YAML documents by applications that rely on `js-yaml`. Implement robust input validation and sanitization for all YAML data originating from external or untrusted sources. Consider limiting network access to services that parse YAML content to trusted networks or clients through appropriate firewall configurations.",
          "product_ids": [
            "Red Hat Hardened Images:nodejs22-main@aarch64",
            "Red Hat Hardened Images:nodejs22-main@noarch",
            "Red Hat Hardened Images:nodejs22-main@src",
            "Red Hat Hardened Images:nodejs22-main@x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:nodejs22-main@aarch64",
            "Red Hat Hardened Images:nodejs22-main@noarch",
            "Red Hat Hardened Images:nodejs22-main@src",
            "Red Hat Hardened Images:nodejs22-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "js-yaml: js-yaml: Denial of Service via crafted YAML documents"
    }
  ]
}

RHSA-2026:9455

Vulnerability from csaf_redhat - Published: 2026-04-21 17:31 - Updated: 2026-07-15 03:07

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Severity

Important

Notes

Topic: An update for Red Hat Hardened Images RPMs is now available.

Details: This update includes the following RPMs: nodejs20: * nodejs20-20.20.2-1.hum1 (aarch64, x86_64) * nodejs20-bin-20.20.2-1.hum1 (noarch) * nodejs20-devel-20.20.2-1.hum1 (aarch64, x86_64) * nodejs20-docs-20.20.2-1.hum1 (noarch) * nodejs20-full-i18n-20.20.2-1.hum1 (aarch64, x86_64) * nodejs20-libs-20.20.2-1.hum1 (aarch64, x86_64) * nodejs20-npm-10.8.2-1.20.20.2.1.hum1 (noarch) * nodejs20-npm-bin-20.20.2-1.hum1 (noarch) * v8-11.3-devel-11.3.244.8-1.20.20.2.1.hum1 (aarch64, x86_64) * nodejs20-20.20.2-1.hum1.src (src)

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2026-2950

A flaw was found in Lodash. An attacker can exploit a prototype pollution vulnerability in the `_.unset` and `_.omit` functions by bypassing a security check. This bypass is achieved by providing array-wrapped path segments, which allows for the deletion of properties from built-in JavaScript prototypes such as `Object.prototype`. This could lead to unexpected application behavior or denial of service.

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-45149

A flaw was found in the brace-expansion library. This vulnerability allows an attacker to cause a Denial of Service (DoS) by providing a large numeric range for expansion. The library allocates excessive memory to generate all intermediate elements before applying the maximum limit, leading to high memory consumption and potential application crashes. This can impact the availability of systems using the library.

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-770 - Allocation of Resources Without Limits or Throttling

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48615

A flaw was found in Node.js. When proxy credentials are embedded in a proxy URL, an issue in the proxy tunnel error handling can lead to the exposure of these credentials. This information disclosure vulnerability allows an attacker to potentially capture sensitive proxy credentials through logs, diagnostics, or other error-consuming mechanisms.

5.9 (Medium)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE-209 - Generation of Error Message Containing Sensitive Information

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48618

A flaw was found in Node.js. This flaw involves a mismatch in how Node.js handles TLS (Transport Layer Security) hostnames and unicode dot separators during authentication. This mismatch can lead to a wildcard-depth authentication bypass. An attacker could exploit this to bypass intended security boundaries, potentially leading to unauthorized access and confidentiality impact.

7.7 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CWE-289 - Authentication Bypass by Alternate Name

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

CVE-2026-48619

A flaw was found in Node.js. A malicious server can exploit the HTTP/2 client by sending an unlimited number of ORIGIN frames. This can lead to an Out of Memory error on the client, resulting in a denial of service.

5.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-770 - Allocation of Resources Without Limits or Throttling

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48928

A flaw was found in Node.js. An inconsistency in how Node.js matches hostnames can be exploited by a remote attacker in multi-context mTLS (mutual Transport Layer Security) setups. This vulnerability allows for a trust-policy bypass, potentially leading to unauthorized access to sensitive information or integrity compromise within the affected system.

4.2 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

CWE-289 - Authentication Bypass by Alternate Name

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48930

A flaw was found in Node.js. This vulnerability in the TLS (Transport Layer Security) hostname handling allows embedded null characters in hostnames. This can lead to silent authority rebinding, potentially enabling an attacker to redirect network traffic to an unintended server and disclose sensitive information.

5.6 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE-170 - Improper Null Termination

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48933

A flaw was found in the Node.js WebCrypto implementation. A remote attacker could exploit this vulnerability by providing an input to the `subtle.encrypt()` function that is a multiple of 2 gigabytes (GiB). This could lead to a denial of service (DoS) by crashing the Node.js process.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-770 - Allocation of Resources Without Limits or Throttling

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

CVE-2026-48934

A flaw was found in Node.js. An attacker can exploit a vulnerability in the Transport Layer Security (TLS) host verification process to bypass certification validation. This bypass could allow an attacker to intercept or alter communications, potentially leading to information disclosure or integrity compromise.

4.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE-295 - Improper Certificate Validation

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

CVE-2026-48935

A flaw was found in Node.js. The Permission API allows a local user to modify file metadata on paths that have been explicitly set as read-only. This can lead to unauthorized changes in file properties, impacting the integrity of the file system.

3.3 (Low)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CWE-279 - Incorrect Execution-Assigned Permissions

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Low

CVE-2026-48936

A flaw was found in Node.js. The Node.js Permission API can allow a local server to be started through a Unix domain socket, even when the `--allow-net` permission is not explicitly granted. This bypasses intended security restrictions, potentially leading to unintended local network exposure or integrity impact.

3.3 (Low)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CWE-648 - Incorrect Use of Privileged APIs

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Low

CVE-2026-59868

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. When merge keys are enabled, a remote attacker could exploit this vulnerability by crafting a YAML document where a chain of mappings uses merge keys, each merging the previous one. This can lead to a significant increase in CPU time required to parse the document, resulting in a Denial of Service (DoS) for the affected system.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-1333 - Inefficient Regular Expression Complexity

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

CVE-2026-59870

A flaw was found in js-yaml, a JavaScript YAML (YAML Ain't Markup Language) parser. An attacker could exploit this by providing a specially crafted YAML ordered-map document. This could lead to excessive CPU consumption, resulting in a denial of service (DoS) for applications processing the malicious YAML input.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-770 - Allocation of Resources Without Limits or Throttling

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:nodejs20-main@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@noarch	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:nodejs20-main@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

81 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:9455	self
https://images.redhat.com/	external
https://access.redhat.com/security/cve/CVE-2026-2950	external
https://access.redhat.com/security/updates/classi…	external
https://access.redhat.com/security/cve/CVE-2026-45149	external
https://access.redhat.com/security/cve/CVE-2026-8723	external
https://access.redhat.com/security/cve/CVE-2026-48618	external
https://access.redhat.com/security/cve/CVE-2026-48933	external
https://access.redhat.com/security/cve/CVE-2026-48615	external
https://access.redhat.com/security/cve/CVE-2026-48936	external
https://access.redhat.com/security/cve/CVE-2026-48934	external
https://access.redhat.com/security/cve/CVE-2026-48928	external
https://access.redhat.com/security/cve/CVE-2026-48930	external
https://access.redhat.com/security/cve/CVE-2026-48619	external
https://access.redhat.com/security/cve/CVE-2026-48935	external
https://access.redhat.com/security/cve/CVE-2026-59870	external
https://access.redhat.com/security/cve/CVE-2026-59868	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-2950	self
https://bugzilla.redhat.com/show_bug.cgi?id=2453499	external
https://www.cve.org/CVERecord?id=CVE-2026-2950	external
https://nvd.nist.gov/vuln/detail/CVE-2026-2950	external
https://github.com/lodash/lodash/security/advisor…	external
https://access.redhat.com/security/cve/CVE-2026-45149	self
https://bugzilla.redhat.com/show_bug.cgi?id=2483481	external
https://www.cve.org/CVERecord?id=CVE-2026-45149	external
https://nvd.nist.gov/vuln/detail/CVE-2026-45149	external
https://github.com/juliangruber/brace-expansion/s…	external
https://access.redhat.com/security/cve/CVE-2026-48615	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493335	external
https://www.cve.org/CVERecord?id=CVE-2026-48615	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48615	external
https://nodejs.org/en/blog/vulnerability/june-202…	external
https://access.redhat.com/security/cve/CVE-2026-48618	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493337	external
https://www.cve.org/CVERecord?id=CVE-2026-48618	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48618	external
https://access.redhat.com/security/cve/CVE-2026-48619	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493325	external
https://www.cve.org/CVERecord?id=CVE-2026-48619	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48619	external
https://access.redhat.com/security/cve/CVE-2026-48928	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493333	external
https://www.cve.org/CVERecord?id=CVE-2026-48928	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48928	external
https://access.redhat.com/security/cve/CVE-2026-48930	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493326	external
https://www.cve.org/CVERecord?id=CVE-2026-48930	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48930	external
https://github.com/nodejs/node/commit/7dafafa2424…	external
https://hackerone.com/reports/3656716	external
https://access.redhat.com/security/cve/CVE-2026-48933	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493331	external
https://www.cve.org/CVERecord?id=CVE-2026-48933	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48933	external
https://access.redhat.com/security/cve/CVE-2026-48934	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493332	external
https://www.cve.org/CVERecord?id=CVE-2026-48934	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48934	external
https://access.redhat.com/security/cve/CVE-2026-48935	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493329	external
https://www.cve.org/CVERecord?id=CVE-2026-48935	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48935	external
https://access.redhat.com/security/cve/CVE-2026-48936	self
https://bugzilla.redhat.com/show_bug.cgi?id=2493336	external
https://www.cve.org/CVERecord?id=CVE-2026-48936	external
https://nvd.nist.gov/vuln/detail/CVE-2026-48936	external
https://access.redhat.com/security/cve/CVE-2026-59868	self
https://bugzilla.redhat.com/show_bug.cgi?id=2498114	external
https://www.cve.org/CVERecord?id=CVE-2026-59868	external
https://nvd.nist.gov/vuln/detail/CVE-2026-59868	external
https://github.com/nodeca/js-yaml/commit/3105455b…	external
https://github.com/nodeca/js-yaml/releases/tag/5.2.0	external
https://github.com/nodeca/js-yaml/security/adviso…	external
https://access.redhat.com/security/cve/CVE-2026-59870	self
https://bugzilla.redhat.com/show_bug.cgi?id=2498130	external
https://www.cve.org/CVERecord?id=CVE-2026-59870	external
https://nvd.nist.gov/vuln/detail/CVE-2026-59870	external
https://github.com/nodeca/js-yaml/commit/39f3211a…	external
https://github.com/nodeca/js-yaml/releases/tag/5.2.1	external
https://github.com/nodeca/js-yaml/security/adviso…	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for Red Hat Hardened Images RPMs is now available.",
        "title": "Topic"
      },
      {
        "category": "general",
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      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-21T17:31:07+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:nodejs20-main@aarch64",
            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:9455"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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            "Red Hat Hardened Images:nodejs20-main@aarch64",
            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
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          "products": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling"
    },
    {
      "cve": "CVE-2026-48618",
      "cwe": {
        "id": "CWE-289",
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      },
      "discovery_date": "2026-06-26T02:02:10.741725+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2493337"
        }
      ],
      "notes": [
        {
          "category": "description",
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This Important flaw in Node.js allows for a TLS wildcard-depth authentication bypass due to a mismatch in how hostnames and unicode dot separators are handled during authentication. This could enable an attacker to circumvent security boundaries, potentially leading to unauthorized access and compromise of sensitive information in applications utilizing Node.js for TLS connections. The issue affects Node.js versions 22, 24, and 26 as shipped in Red Hat products.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "Red Hat Hardened Images:nodejs20-main@noarch",
          "Red Hat Hardened Images:nodejs20-main@src",
          "Red Hat Hardened Images:nodejs20-main@x86_64"
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-48618"
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        {
          "category": "external",
          "summary": "RHBZ#2493337",
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        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-48618",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-48618"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48618",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48618"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"
        }
      ],
      "release_date": "2026-06-26T01:14:36.868000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-21T17:31:07+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:nodejs20-main@aarch64",
            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:9455"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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            "Red Hat Hardened Images:nodejs20-main@aarch64",
            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "Red Hat Hardened Images:nodejs20-main@aarch64",
            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ]
        }
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch"
    },
    {
      "cve": "CVE-2026-48619",
      "cwe": {
        "id": "CWE-770",
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      "discovery_date": "2026-06-26T02:01:06.466413+00:00",
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        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2493325"
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          "category": "description",
          "text": "A flaw was found in Node.js. A malicious server can exploit the HTTP/2 client by sending an unlimited number of ORIGIN frames. This can lead to an Out of Memory error on the client, resulting in a denial of service.",
          "title": "Vulnerability description"
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        {
          "category": "summary",
          "text": "nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames",
          "title": "Vulnerability summary"
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          "category": "other",
          "text": "This Moderate flaw in the Node.js HTTP/2 client can lead to a denial of service. A malicious server could exploit this by sending an excessive number of ORIGIN frames, causing the client to consume all available memory. This affects Red Hat products utilizing Node.js as an HTTP/2 client.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      ],
      "product_status": {
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          "Red Hat Hardened Images:nodejs20-main@x86_64"
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      },
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-48619"
        },
        {
          "category": "external",
          "summary": "RHBZ#2493325",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493325"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-48619",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-48619"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48619",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48619"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"
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      "release_date": "2026-06-26T01:14:36.541000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-21T17:31:07+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
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            "Red Hat Hardened Images:nodejs20-main@x86_64"
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          },
          "url": "https://access.redhat.com/errata/RHSA-2026:9455"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
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        }
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "Red Hat Hardened Images:nodejs20-main@aarch64",
            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames"
    },
    {
      "cve": "CVE-2026-48928",
      "cwe": {
        "id": "CWE-289",
        "name": "Authentication Bypass by Alternate Name"
      },
      "discovery_date": "2026-06-26T02:01:48.441706+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
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          "title": "Vulnerability description"
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          "category": "summary",
          "text": "Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      ],
      "product_status": {
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          "Red Hat Hardened Images:nodejs20-main@noarch",
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          "Red Hat Hardened Images:nodejs20-main@x86_64"
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-48928"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-48928",
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48928",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48928"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"
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      "remediations": [
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          "date": "2026-04-21T17:31:07+00:00",
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            "Red Hat Hardened Images:nodejs20-main@aarch64",
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          "category": "workaround",
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            "Red Hat Hardened Images:nodejs20-main@x86_64"
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
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          "products": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency"
    },
    {
      "cve": "CVE-2026-48930",
      "cwe": {
        "id": "CWE-170",
        "name": "Improper Null Termination"
      },
      "discovery_date": "2026-06-26T02:01:11.476251+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
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          "title": "Vulnerability description"
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        {
          "category": "summary",
          "text": "nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      ],
      "product_status": {
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          "Red Hat Hardened Images:nodejs20-main@noarch",
          "Red Hat Hardened Images:nodejs20-main@src",
          "Red Hat Hardened Images:nodejs20-main@x86_64"
        ]
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          "category": "self",
          "summary": "Canonical URL",
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          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48930"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodejs/node/commit/7dafafa2424710ded8b77eb7c878e884c1aef64e",
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        {
          "category": "external",
          "summary": "https://hackerone.com/reports/3656716",
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        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"
        }
      ],
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          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
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            "Red Hat Hardened Images:nodejs20-main@noarch",
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          ],
          "restart_required": {
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          "url": "https://access.redhat.com/errata/RHSA-2026:9455"
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          "product_ids": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.6,
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            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
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          "products": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
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      "title": "nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling"
    },
    {
      "cve": "CVE-2026-48933",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-06-26T02:01:39.107538+00:00",
      "ids": [
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        {
          "category": "description",
          "text": "A flaw was found in the Node.js WebCrypto implementation. A remote attacker could exploit this vulnerability by providing an input to the `subtle.encrypt()` function that is a multiple of 2 gigabytes (GiB). This could lead to a denial of service (DoS) by crashing the Node.js process.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in Node.js WebCrypto, as a remote attacker can crash the Node.js process by providing a specially crafted large input to the `subtle.encrypt()` function. This could lead to service unavailability in Red Hat environments where Node.js applications process untrusted data with WebCrypto.",
          "title": "Statement"
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        {
          "category": "general",
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          "title": "CVSS score applicability"
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      ],
      "product_status": {
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      },
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          "category": "self",
          "summary": "Canonical URL",
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        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-48933",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-48933"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48933",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48933"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
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            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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            "Red Hat Hardened Images:nodejs20-main@noarch",
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      "threats": [
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          "details": "Important"
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      ],
      "title": "nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt()"
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    {
      "cve": "CVE-2026-48934",
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        "id": "CWE-295",
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      "discovery_date": "2026-06-26T02:01:43.284771+00:00",
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        },
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          "text": "nodejs: Node.js: Certification validation bypass in TLS host verification",
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        {
          "category": "general",
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          "title": "CVSS score applicability"
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      ],
      "product_status": {
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      },
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          "category": "self",
          "summary": "Canonical URL",
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-48934",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-48934"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48934",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48934"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
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      ],
      "release_date": "2026-06-26T01:14:36.894000+00:00",
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          "category": "vendor_fix",
          "date": "2026-04-21T17:31:07+00:00",
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          ],
          "restart_required": {
            "category": "none"
          },
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        {
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            "Red Hat Hardened Images:nodejs20-main@noarch",
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      ],
      "scores": [
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            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
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            "Red Hat Hardened Images:nodejs20-main@noarch",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
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      ],
      "title": "nodejs: Node.js: Certification validation bypass in TLS host verification"
    },
    {
      "cve": "CVE-2026-48935",
      "cwe": {
        "id": "CWE-279",
        "name": "Incorrect Execution-Assigned Permissions"
      },
      "discovery_date": "2026-06-26T02:01:29.191932+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2493329"
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        },
        {
          "category": "summary",
          "text": "nodejs: Node.js: Unauthorized file metadata modification",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      ],
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      },
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-48935"
        },
        {
          "category": "external",
          "summary": "RHBZ#2493329",
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        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-48935",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-48935"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48935",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48935"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
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          ],
          "restart_required": {
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          "url": "https://access.redhat.com/errata/RHSA-2026:9455"
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        {
          "category": "workaround",
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
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      "scores": [
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            "availabilityImpact": "NONE",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
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          "products": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "nodejs: Node.js: Unauthorized file metadata modification"
    },
    {
      "cve": "CVE-2026-48936",
      "cwe": {
        "id": "CWE-648",
        "name": "Incorrect Use of Privileged APIs"
      },
      "discovery_date": "2026-06-26T02:02:04.921691+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2493336"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Node.js. The Node.js Permission API can allow a local server to be started through a Unix domain socket, even when the `--allow-net` permission is not explicitly granted. This bypasses intended security restrictions, potentially leading to unintended local network exposure or integrity impact.",
          "title": "Vulnerability description"
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        {
          "category": "summary",
          "text": "nodejs: Node.js: Local server can be started without network permission via Permission API flaw",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "Red Hat Hardened Images:nodejs20-main@noarch",
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          "Red Hat Hardened Images:nodejs20-main@x86_64"
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      },
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-48936"
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        {
          "category": "external",
          "summary": "RHBZ#2493336",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493336"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-48936",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-48936"
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48936",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48936"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
          "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:9455"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
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      "scores": [
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          "cvss_v3": {
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            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
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            "Red Hat Hardened Images:nodejs20-main@noarch",
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            "Red Hat Hardened Images:nodejs20-main@x86_64"
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "nodejs: Node.js: Local server can be started without network permission via Permission API flaw"
    },
    {
      "cve": "CVE-2026-59868",
      "cwe": {
        "id": "CWE-1333",
        "name": "Inefficient Regular Expression Complexity"
      },
      "discovery_date": "2026-07-08T16:01:01.825253+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2498114"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in js-yaml, a JavaScript YAML parser and dumper. When merge keys are enabled, a remote attacker could exploit this vulnerability by crafting a YAML document where a chain of mappings uses merge keys, each merging the previous one. This can lead to a significant increase in CPU time required to parse the document, resulting in a Denial of Service (DoS) for the affected system.",
          "title": "Vulnerability description"
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          "category": "summary",
          "text": "js-yaml: js-yaml: Denial of Service via quadratic CPU time parsing with merge keys",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "js-yaml versions 5.0.0 through 5.1.x are vulnerable to a denial of service. When merge keys (\u0027\u003c\u003c\u0027) are enabled during YAML parsing, js-yaml re-merges the accumulated mapping into each subsequent mapping in a chain. A document consisting of a linear chain of mappings that each merge the previous one causes quadratic (O(n^2)) CPU consumption relative to input size, even though the document size itself grows only linearly. This can be triggered via yaml.load() on untrusted YAML input that uses merge keys. Fixed in js-yaml 5.2.0.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-59868",
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        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/commit/3105455b81dee69e0fd36e09ac0b2ccfdb54adc1",
          "url": "https://github.com/nodeca/js-yaml/commit/3105455b81dee69e0fd36e09ac0b2ccfdb54adc1"
        },
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          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/releases/tag/5.2.0",
          "url": "https://github.com/nodeca/js-yaml/releases/tag/5.2.0"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-g796-fgmg-93mv",
          "url": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-g796-fgmg-93mv"
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      "release_date": "2026-07-08T15:18:19.422000+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2026-04-21T17:31:07+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
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            "Red Hat Hardened Images:nodejs20-main@src",
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:9455"
        },
        {
          "category": "workaround",
          "details": "Upgrade to js-yaml 5.2.0 or later. Where an immediate upgrade is not possible, avoid parsing untrusted YAML documents that use merge keys (\u0027\u003c\u003c\u0027), or apply size and time limits when parsing untrusted YAML input.",
          "product_ids": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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          "products": [
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            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "js-yaml: js-yaml: Denial of Service via quadratic CPU time parsing with merge keys"
    },
    {
      "cve": "CVE-2026-59870",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-07-08T16:02:04.944023+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2498130"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in js-yaml, a JavaScript YAML (YAML Ain\u0027t Markup Language) parser. An attacker could exploit this by providing a specially crafted YAML ordered-map document. This could lead to excessive CPU consumption, resulting in a denial of service (DoS) for applications processing the malicious YAML input.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "js-yaml: js-yaml: Denial of Service via crafted YAML ordered-map document",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "js-yaml versions 5.0.0 through 5.2.0 are vulnerable to a denial of service via the omapTag.addItem() O(n^2) duplicate-key scan when parsing crafted YAML ordered-map documents with the YAML11_SCHEMA. This affects yaml.load() calls using that schema. Fixed in 5.2.1.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Hardened Images:nodejs20-main@aarch64",
          "Red Hat Hardened Images:nodejs20-main@noarch",
          "Red Hat Hardened Images:nodejs20-main@src",
          "Red Hat Hardened Images:nodejs20-main@x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-59870"
        },
        {
          "category": "external",
          "summary": "RHBZ#2498130",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2498130"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-59870",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-59870"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-59870",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59870"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/commit/39f3211a2f01b3c6982710cf21434ab7060acefe",
          "url": "https://github.com/nodeca/js-yaml/commit/39f3211a2f01b3c6982710cf21434ab7060acefe"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/releases/tag/5.2.1",
          "url": "https://github.com/nodeca/js-yaml/releases/tag/5.2.1"
        },
        {
          "category": "external",
          "summary": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-724g-mxrg-4qvm",
          "url": "https://github.com/nodeca/js-yaml/security/advisories/GHSA-724g-mxrg-4qvm"
        }
      ],
      "release_date": "2026-07-08T15:13:20.308000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-21T17:31:07+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:nodejs20-main@aarch64",
            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:9455"
        },
        {
          "category": "workaround",
          "details": "Avoid using the YAML11_SCHEMA when parsing untrusted YAML input, or upgrade to js-yaml 5.2.1 or later. Applications using the default schema (CORE_SCHEMA) are not affected.",
          "product_ids": [
            "Red Hat Hardened Images:nodejs20-main@aarch64",
            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:nodejs20-main@aarch64",
            "Red Hat Hardened Images:nodejs20-main@noarch",
            "Red Hat Hardened Images:nodejs20-main@src",
            "Red Hat Hardened Images:nodejs20-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "js-yaml: js-yaml: Denial of Service via crafted YAML ordered-map document"
    }
  ]
}

ubuntu-cve-2026-53550

Vulnerability from osv_ubuntu

Published

2026-06-22 16:16

Modified

2026-07-01 21:27

Summary

Details

js-yaml is a JavaScript YAML parser and dumper. Prior to 4.2.0 and 3.15.0, a crafted YAML document can trigger algorithmic CPU exhaustion in js-yaml merge-key processing (<<) by repeating the same alias many times in a merge sequence. This causes quadratic parse-time behavior relative to input size and can block a Node.js worker/event loop for seconds with a relatively small payload (tens of KB), resulting in denial of service. The issue is in merge handling inside lib/loader.js. This vulnerability is fixed in 4.2.0 and 3.15.0.

Severity

5.3 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-53550	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-53550	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-js-yaml",
            "binary_version": "3.10.0+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "node-js-yaml",
        "purl": "pkg:deb/ubuntu/node-js-yaml@3.10.0+dfsg-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.9.1+dfsg-1",
        "3.10.0+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-js-yaml",
            "binary_version": "3.13.1+dfsg-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "node-js-yaml",
        "purl": "pkg:deb/ubuntu/node-js-yaml@3.13.1+dfsg-2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.13.1+dfsg-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-js-yaml",
            "binary_version": "4.1.0+dfsg+~4.0.5-6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "node-js-yaml",
        "purl": "pkg:deb/ubuntu/node-js-yaml@4.1.0+dfsg+~4.0.5-6?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.14.1+dfsg+~3.12.6-2",
        "4.1.0+dfsg+~4.0.5-4ubuntu1",
        "4.1.0+dfsg+~4.0.5-5",
        "4.1.0+dfsg+~4.0.5-6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-js-yaml",
            "binary_version": "4.1.0+dfsg+~4.0.5-7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "node-js-yaml",
        "purl": "pkg:deb/ubuntu/node-js-yaml@4.1.0+dfsg+~4.0.5-7?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.0+dfsg+~4.0.5-7"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-js-yaml",
            "binary_version": "4.1.0+dfsg+~4.0.5-7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "node-js-yaml",
        "purl": "pkg:deb/ubuntu/node-js-yaml@4.1.0+dfsg+~4.0.5-7?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.0+dfsg+~4.0.5-7"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-js-yaml",
            "binary_version": "4.1.1+dfsg+~4.0.9-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "node-js-yaml",
        "purl": "pkg:deb/ubuntu/node-js-yaml@4.1.1+dfsg+~4.0.9-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.0+dfsg+~4.0.5-7",
        "4.1.1+dfsg+~4.0.9-1"
      ]
    }
  ],
  "aliases": [],
  "details": "js-yaml is a JavaScript YAML parser and dumper. Prior to 4.2.0 and 3.15.0, a crafted YAML document can trigger algorithmic CPU exhaustion in js-yaml merge-key processing (\u003c\u003c) by repeating the same alias many times in a merge sequence. This causes quadratic parse-time behavior relative to input size and can block a Node.js worker/event loop for seconds with a relatively small payload (tens of KB), resulting in denial of service. The issue is in merge handling inside lib/loader.js. This vulnerability is fixed in 4.2.0 and 3.15.0.",
  "id": "UBUNTU-CVE-2026-53550",
  "modified": "2026-07-01T21:27:55Z",
  "published": "2026-06-22T16:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53550"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53550"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-53550"
  ]
}

CVE-2026-53550 (GCVE-0-2026-53550)

Tags

Sightings

Nomenclature

Action not permitted

CVE-2026-53550 (GCVE-0-2026-53550)

Summary

Details

Root cause

PoC

Impact

Suggested fix:

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature