CVE-2020-35964

NameCVE-2020-35964
Descriptiontrack_header in libavformat/vividas.c in FFmpeg 4.3.1 has an out-of-bounds write because of incorrect extradata packing.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs980000

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)bullseye7:4.3.7-0+deb11u1fixed
bullseye (security)7:4.3.8-0+deb11u1fixed
bookworm, bookworm (security)7:5.1.6-0+deb12u1fixed
sid, trixie7:7.1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourcestretch(not affected)
ffmpegsourcebuster(not affected)
ffmpegsource(unstable)7:4.3.1-6980000

Notes

[buster] - ffmpeg <not-affected> (Vulnerable code not present)
[stretch] - ffmpeg <not-affected> (Vulnerable code introduced later)
https://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26622

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