CVE catalog

CVE-2026-52296

FFmpeg before 9.0 has an out-of-bounds read because of…

FFmpeg before 9.0 has an out-of-bounds read because of missing required padding in WMA extradata allocation paths in libavcodec/wmaenc.c.

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Sep 13, 2026, 12:00:00 AM UTC
Updated: Sep 13, 2026, 10:17:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.16% · Oct 27, 2026

Projects and upstream resources

[ffmpeg][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [
    {
      "name": "ffmpeg",
      "status": "fixed",
      "release": "sid",
      "version": "7:9.0.2-4"
    },
    {
      "name": "ffmpeg",
      "status": "fixed",
      "release": "forky",
      "version": "7:9.0.2-4"
    },
    {
      "name": "ffmpeg",
      "status": "fixed",
      "release": "trixie",
      "version": "7:7.1.5-0+deb13u1"
    },
    {
      "name": "ffmpeg",
      "status": "fixed",
      "release": "trixie-security",
      "version": "7:7.1.5-0+deb13u1"
    },
    {
      "name": "ffmpeg",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "7:5.1.9-0+deb12u1"
    },
    {
      "name": "ffmpeg",
      "status": "vulnerable",
      "release": "bookworm-security",
      "version": "7:5.1.9-0+deb12u1"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "ffmpeg",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "7:8.1.1-1"
    },
    {
      "bug": null,
      "name": "ffmpeg",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "7:8.1.1-1"
    },
    {
      "bug": null,
      "name": "ffmpeg",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "7:7.1.5-0+deb13u1"
    },
    {
      "bug": null,
      "name": "ffmpeg",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "ffmpeg",
      "ranges": [
        {
          "fixed": "9.0",
          "introduced": "",
          "last_affected": "",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "9.0",
      "provider_record_id": "NVD-CVE-2026-52296"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[ffmpeg]Unknown
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[ffmpeg-doc]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · all · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · all · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · all · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · all · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavcodec59]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavcodec-dev]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavcodec-extra]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavcodec-extra59]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavdevice59]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavdevice-dev]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavfilter8]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavfilter-dev]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavfilter-extra]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavfilter-extra8]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavformat59]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavformat-dev]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavformat-extra]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavformat-extra59]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavutil57]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libavutil-dev]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libpostproc56]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
[libpostproc-dev]Unknown
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · ffmpeg · debian · bookworm

Next results

Observed: Oct 27, 2026, 6:29:19 AM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]