Vulnerability-Lookup

oesa-2026-3683

Vulnerability from osv_openeuler

Published

2026-09-05 15:03

Modified

2026-09-05 15:03

Summary

busybox security update

Details

The Swiss Army Knife of Embedded Linux

Security Fix(es):

A vulnerability has been found in BusyBox up to 1.30.1. This vulnerability affects unknown code of the file networking/wget.c of the component FEATURE_WGET_TIMEOUT Handler. Such manipulation of the argument -T leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The name of the patch is 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff. A patch should be applied to remediate this issue.(CVE-2026-76014)

Severity

3.3 (Low)


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

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-76014	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "busybox-1.34.1-35.oe2203sp4.aarch64.rpm",
          "busybox-debuginfo-1.34.1-35.oe2203sp4.aarch64.rpm",
          "busybox-debugsource-1.34.1-35.oe2203sp4.aarch64.rpm",
          "busybox-help-1.34.1-35.oe2203sp4.aarch64.rpm",
          "busybox-petitboot-1.34.1-35.oe2203sp4.aarch64.rpm"
        ],
        "src": [
          "busybox-1.34.1-35.oe2203sp4.src.rpm"
        ],
        "x86_64": [
          "busybox-1.34.1-35.oe2203sp4.x86_64.rpm",
          "busybox-debuginfo-1.34.1-35.oe2203sp4.x86_64.rpm",
          "busybox-debugsource-1.34.1-35.oe2203sp4.x86_64.rpm",
          "busybox-help-1.34.1-35.oe2203sp4.x86_64.rpm",
          "busybox-petitboot-1.34.1-35.oe2203sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP4",
        "name": "busybox",
        "purl": "pkg:rpm/openEuler/busybox\u0026distro=openEuler-22.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.34.1-35.oe2203sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Low"
  },
  "details": "The Swiss Army Knife of Embedded Linux\r\n\r\nSecurity Fix(es):\n\nA vulnerability has been found in BusyBox up to 1.30.1. This vulnerability affects unknown code of the file networking/wget.c of the component FEATURE_WGET_TIMEOUT Handler. Such manipulation of the argument -T leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The name of the patch is 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff. A patch should be applied to remediate this issue.(CVE-2026-76014)",
  "id": "OESA-2026-3683",
  "modified": "2026-09-05T15:03:53Z",
  "published": "2026-09-05T15:03:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3683"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76014"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "busybox security update",
  "upstream": [
    "CVE-2026-76014"
  ]
}

CVE-2026-76014 (GCVE-0-2026-76014)

Vulnerability from cvelistv5 – Published: 2026-08-19 02:45 – Updated: 2026-08-25 01:49 X_Open Source

Title

BusyBox FEATURE_WGET_TIMEOUT wget.c null pointer dereference

Summary

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

3.3 (Low)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

3.3 (Low)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-25 01:49 UTC

CWE

CWE-476 - NULL Pointer Dereference
CWE-404 - Denial of Service

Assigner

VulDB mitre root

References

7 references

URL	Tags
https://vuldb.com/vuln/391923	vdb-entrytechnical-description
https://vuldb.com/vuln/391923/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-76014	third-party-advisory
https://vuldb.com/submit/878212	third-party-advisory
https://github.com/mirror/busybox/issues/124	issue-tracking
https://gist.github.com/wyxstarry/5c199ec824928c5…	exploit
https://github.com/mirror/busybox/commit/83a40bf7…	patch

Impacted products

1 product

Vendor	Product	Version
n/a	BusyBox	Affected: 1.30.0 Affected: 1.30.1 cpe:2.3:a:busybox:busybox::::::::

Credits

yuxin_wang (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-76014",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-25T01:49:34.069693Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-25T01:49:44.780Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "FEATURE_WGET_TIMEOUT Handler"
          ],
          "product": "BusyBox",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "1.30.0"
            },
            {
              "status": "affected",
              "version": "1.30.1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "yuxin_wang (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been found in BusyBox up to 1.30.1. This vulnerability affects unknown code of the file networking/wget.c of the component FEATURE_WGET_TIMEOUT Handler. Such manipulation of the argument -T leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The name of the patch is 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff. A patch should be applied to remediate this issue."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 1.7,
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-404",
              "description": "Denial of Service",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T02:45:08.531Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-391923 | BusyBox FEATURE_WGET_TIMEOUT wget.c null pointer dereference",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/391923"
        },
        {
          "name": "VDB-391923 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/391923/cti"
        },
        {
          "name": "CVE-2026-76014 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-76014"
        },
        {
          "name": "Submit #878212 | BusyBox 1.30.1 NULL Pointer Dereference",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/878212"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/mirror/busybox/issues/124"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://gist.github.com/wyxstarry/5c199ec824928c5ae5816aaecbc6df03"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/mirror/busybox/commit/83a40bf7a93c8ac093d33ab452222dd5b9eb57ff"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-08-18T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-08-18T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-08-18T21:07:54.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "BusyBox FEATURE_WGET_TIMEOUT wget.c null pointer dereference",
      "x_generator": [
        "VulDB PVTS v202608"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-76014",
    "datePublished": "2026-08-19T02:45:08.531Z",
    "dateReserved": "2026-08-18T19:02:48.220Z",
    "dateUpdated": "2026-08-25T01:49:44.780Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

oesa-2026-3683

Vulnerability from osv_openeuler

CVE-2026-76014 (GCVE-0-2026-76014)

Tags

Sightings

Nomenclature

Related by attack behaviour