CVE-2026-8461

NameCVE-2026-8461
DescriptionAn out-of-bounds write vulnerability in FFmpeg's libavcodec library, specifically in the MagicYUV decoder, allows denial-of-service and, in some cases, can be exploited for remote code execution. This vulnerability is associated with the file libavcodec/magicyuv.C. This issue affects FFmpeg before version 8.1.2.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-6361-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)bullseye7:4.3.7-0+deb11u1vulnerable
bullseye (security)7:4.3.9-0+deb11u2vulnerable
bookworm7:5.1.8-0+deb12u1vulnerable
bookworm (security)7:5.1.9-0+deb12u1vulnerable
trixie7:7.1.3-0+deb13u1vulnerable
trixie (security)7:7.1.5-0+deb13u1fixed
forky7:8.1.1-4vulnerable
sid7:8.1.2-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourcetrixie7:7.1.5-0+deb13u1DSA-6361-1
ffmpegsource(unstable)7:8.1.2-1

Notes

https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23159
Fixed by: https://git.ffmpeg.org/gitweb/ffmpeg.git/c23d4da3128c279b714b282e6ec292e8755007e3 (master)
Fixed by: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/a991b3e1102824730de6b0b2afd1c7e41fbdf03d (n8.1.2)
Fixed by: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/15882781ac5267a653e4e55f5fa656ba9db688fd (n7.1.5)

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