Vulnerability-Lookup

alsa-2026:3967

Vulnerability from osv_almalinux

Published

2026-03-09 00:00

Modified

2026-03-10 01:53

Summary

Important: libvpx security update

Details

The libvpx packages provide the VP8 SDK, which allows the encoding and decoding of the VP8 video codec, commonly used with the WebM multimedia container file format.

Security Fix(es):

libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "libvpx"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7.0-13.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "libvpx-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7.0-13.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The libvpx packages provide the VP8 SDK, which allows the encoding and decoding of the VP8 video codec, commonly used with the WebM multimedia container file format.  \n\nSecurity Fix(es):  \n\n  * libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:3967",
  "modified": "2026-03-10T01:53:59Z",
  "published": "2026-03-09T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:3967"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-2447"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2440219"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-3967.html"
    }
  ],
  "related": [
    "CVE-2026-2447"
  ],
  "summary": "Important: libvpx security update"
}

CVE-2026-2447 (GCVE-0-2026-2447)

Vulnerability from cvelistv5 – Published: 2026-02-16 14:13 – Updated: 2026-02-22 21:05

Title

Heap buffer overflow in libvpx

Summary

Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2.

Severity ?

8.8 (High)


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

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

mozilla

References

URL

Tags

	https://bugzilla.mozilla.org/show_bug.cgi?id=2014390
	https://www.mozilla.org/security/advisories/mfsa2…
	https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

Vendor

Product

Version

Mozilla

Firefox

Affected: unspecified , < 147.0.4 (custom)

Mozilla	Firefox ESR	Affected: unspecified , < 140.7.1 (custom)
Mozilla	Firefox ESR	Affected: unspecified , < 115.32.1 (custom)
Mozilla	Thunderbird	Affected: unspecified , < 140.7.2 (custom)
Mozilla	Thunderbird	Affected: unspecified , < 147.0.2 (custom)

Credits

jayjayjazz

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-2447",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-17T14:52:59.556198Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-122",
                "description": "CWE-122 Heap-based Buffer Overflow",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-17T14:53:32.187Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-02-22T21:05:42.890Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
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            "url": "https://lists.debian.org/debian-lts-announce/2026/02/msg00028.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "147.0.4",
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              "version": "unspecified",
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        },
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        },
        {
          "product": "Thunderbird",
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              "lessThan": "140.7.2",
              "status": "affected",
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        },
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      ],
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          "supportingMedia": [
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              "type": "text/html",
              "value": "Heap buffer overflow in libvpx. This vulnerability affects Firefox \u003c 147.0.4, Firefox ESR \u003c 140.7.1, Firefox ESR \u003c 115.32.1, Thunderbird \u003c 140.7.2, and Thunderbird \u003c 147.0.2."
            }
          ],
          "value": "Heap buffer overflow in libvpx. This vulnerability affects Firefox \u003c 147.0.4, Firefox ESR \u003c 140.7.1, Firefox ESR \u003c 115.32.1, Thunderbird \u003c 140.7.2, and Thunderbird \u003c 147.0.2."
        }
      ],
      "providerMetadata": {
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        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2014390"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-10/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-11/"
        }
      ],
      "title": "Heap buffer overflow in libvpx"
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  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-2447",
    "datePublished": "2026-02-16T14:13:23.559Z",
    "dateReserved": "2026-02-13T09:28:08.874Z",
    "dateUpdated": "2026-02-22T21:05:42.890Z",
    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date

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.

Action not permitted