CVE catalog

CVE-2026-52295

FFmpeg before 9.0 has an out-of-bounds read because the copied extradata lacked required padding before GetBitContext-based access in libavformat/iamf_writer.c.

[CVE catalog]

Severity: Medium · CVSS 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Sep 1, 2026, 12:00:00 AM UTC
Updated: Sep 1, 2026, 6:17:43 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.18% · Oct 25, 2026

FFmpeg before 9.0 has an out-of-bounds read because the copied extradata lacked required padding before GetBitContext-based access in libavformat/iamf_writer.c.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	ffmpeg	sid	`7:9.0.2-4`	fixed
Debian	ffmpeg	forky	`7:9.0.2-4`	fixed
Debian	ffmpeg	trixie	`7:7.1.5-0+deb13u1`	fixed
Debian	ffmpeg	trixie-security	`7:7.1.5-0+deb13u1`	fixed
Debian	ffmpeg	bookworm	`7:5.1.9-0+deb12u1`	not affected
Debian	ffmpeg	bookworm-security	`7:5.1.9-0+deb12u1`	not affected
Cpe	ffmpeg	Not reported	`9.0`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	ffmpeg	source	sid	`7:8.1.1-1`	not yet assigned	Not reported	Not reported
Debian	ffmpeg	source	forky	`7:8.1.1-1`	not yet assigned	Not reported	Not reported
Debian	ffmpeg	source	trixie	`7:7.1.4-0+deb13u1`	not yet assigned	Not reported	Not reported
Debian	ffmpeg	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Cpe	ffmpeg	cpe	Not reported	`9.0`	Not reported	NVD-CVE-2026-52295	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[ffmpeg]Not affected
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[ffmpeg-doc]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · all · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · all · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · all · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · all · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavcodec59]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavcodec-dev]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavcodec-extra]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavcodec-extra59]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavdevice59]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavdevice-dev]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavfilter8]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavfilter-dev]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavfilter-extra]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavfilter-extra8]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavformat59]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavformat-dev]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavformat-extra]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavformat-extra59]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavutil57]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libavutil-dev]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libpostproc56]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
[libpostproc-dev]Not affected
Source package: [ffmpeg]
Details (4)
- 7:5.1.9-0+deb12u1 · amd64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm
- 7:5.1.9-0+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · ffmpeg · debian · bookworm

Next results

Observed: Oct 27, 2026, 6:57:20 AM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]