CVE-2026-58154 (GCVE-0-2026-58154)

Vulnerability from cvelistv5 – Published: 2026-07-29 08:24 – Updated: 2026-07-29 12:19
VLAI
Title
Apache Traffic Server: Memory-safety errors in MIME and header parsing
Summary
Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
8.9 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Traffic Server Affected: 8.0.0 , ≤ 8.1.9 (semver)
Affected: 9.0.0 , ≤ 9.2.14 (semver)
Affected: 10.0.0 , ≤ 10.1.3 (semver)
Create a notification for this product.
Credits
Michael Bommarito Apache Community Omkhar Arasaratnam
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-58154",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-29T12:19:43.902989Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-29T12:19:51.923Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache Traffic Server",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "8.1.9",
              "status": "affected",
              "version": "8.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.2.14",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.1.3",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Michael Bommarito"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Apache Community"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Omkhar Arasaratnam"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eApache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers.\u003c/p\u003e\u003cp\u003eThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.\u003c/p\u003e"
            }
          ],
          "value": "Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers.\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\n\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "important"
            },
            "type": "Textual description of severity"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.9,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 9.2,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787 Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-29T08:24:02.078Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Apache Traffic Server: Memory-safety errors in MIME and header parsing",
      "x_generator": {
        "engine": "scripts/cve_render.py"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-58154",
    "datePublished": "2026-07-29T08:24:02.078Z",
    "dateReserved": "2026-06-29T15:34:55.761Z",
    "dateUpdated": "2026-07-29T12:19:51.923Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-58154",
      "date": "2026-07-30",
      "epss": "0.00262",
      "percentile": "0.17906"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-58154\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2026-07-29T09:16:29.743\",\"lastModified\":\"2026-07-29T13:19:05.933\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers.\\n\\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\\n\\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.\"}],\"affected\":[{\"source\":\"security@apache.org\",\"affectedData\":[{\"vendor\":\"Apache Software Foundation\",\"product\":\"Apache Traffic Server\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"8.0.0\",\"lessThanOrEqual\":\"8.1.9\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"9.0.0\",\"lessThanOrEqual\":\"9.2.14\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"10.0.0\",\"lessThanOrEqual\":\"10.1.3\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"security@apache.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":9.2,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"security@apache.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H\",\"baseScore\":8.9,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":6.0}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-07-29T12:19:43.902989Z\",\"id\":\"CVE-2026-58154\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"security@apache.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"references\":[{\"url\":\"https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d\",\"source\":\"security@apache.org\"}]}}",
    "redhat_vex": {
      "current_release_date": "2026-07-29T18:53:28+00:00",
      "cve": "CVE-2026-58154",
      "id": "CVE-2026-58154",
      "initial_release_date": "2026-07-29T08:24:02.078000+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Apache Traffic Server: memory-safety errors in MIME and header parsing",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-58154.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"cna\": {\"affected\": [{\"defaultStatus\": \"unaffected\", \"product\": \"Apache Traffic Server\", \"vendor\": \"Apache Software Foundation\", \"versions\": [{\"lessThanOrEqual\": \"8.1.9\", \"status\": \"affected\", \"version\": \"8.0.0\", \"versionType\": \"semver\"}, {\"lessThanOrEqual\": \"9.2.14\", \"status\": \"affected\", \"version\": \"9.0.0\", \"versionType\": \"semver\"}, {\"lessThanOrEqual\": \"10.1.3\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"semver\"}]}], \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"Michael Bommarito\"}, {\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"Apache Community\"}, {\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"Omkhar Arasaratnam\"}], \"descriptions\": [{\"lang\": \"en\", \"supportingMedia\": [{\"base64\": false, \"type\": \"text/html\", \"value\": \"\u003cp\u003eApache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers.\u003c/p\u003e\u003cp\u003eThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.\u003c/p\u003e\"}], \"value\": \"Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers.\\n\\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\\n\\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.\"}], \"metrics\": [{\"other\": {\"content\": {\"text\": \"important\"}, \"type\": \"Textual description of severity\"}}, {\"cvssV3_1\": {\"attackComplexity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 8.9, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"CHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H\", \"version\": \"3.1\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}, {\"cvssV4_0\": {\"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"attackVector\": \"NETWORK\", \"baseScore\": 9.2, \"baseSeverity\": \"CRITICAL\", \"privilegesRequired\": \"NONE\", \"providerUrgency\": \"NOT_DEFINED\", \"subAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N\", \"version\": \"4.0\", \"vulnAvailabilityImpact\": \"HIGH\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnIntegrityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"orgId\": \"f0158376-9dc2-43b6-827c-5f631a4d8d09\", \"shortName\": \"apache\", \"dateUpdated\": \"2026-07-29T08:24:02.078Z\"}, \"references\": [{\"tags\": [\"vendor-advisory\"], \"url\": \"https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d\"}], \"source\": {\"discovery\": \"UNKNOWN\"}, \"title\": \"Apache Traffic Server: Memory-safety errors in MIME and header parsing\", \"x_generator\": {\"engine\": \"scripts/cve_render.py\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-58154\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-29T12:19:43.902989Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-29T12:19:48.358Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-58154\", \"assignerOrgId\": \"f0158376-9dc2-43b6-827c-5f631a4d8d09\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"apache\", \"dateReserved\": \"2026-06-29T15:34:55.761Z\", \"datePublished\": \"2026-07-29T08:24:02.078Z\", \"dateUpdated\": \"2026-07-29T12:19:51.923Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.