CVE-2023-46407

NameCVE-2023-46407
DescriptionFFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist->alphabet_size variable in the read_vlc_prefix() function.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)buster7:4.1.9-0+deb10u1fixed
buster (security)7:4.1.11-0+deb10u1fixed
bullseye (security), bullseye7:4.3.6-0+deb11u1fixed
bookworm, bookworm (security)7:5.1.4-0+deb12u1fixed
sid, trixie7:6.1.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsource(unstable)(not affected)

Notes

- ffmpeg <not-affected> (Vulnerable code introduced later)
Introduced by: https://github.com/FFmpeg/FFmpeg/commit/f7ac3512f5b5cb8eb149f37300b43461d8e93af3
Fixed by: https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/

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