DescriptionFFmpeg version n6.1 was discovered to contain an improper validation of array index vulnerability in libavcodec/cbs_h266_syntax_template.c. This vulnerability allows attackers to cause undefined behavior within the application.
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+deb10u1vulnerable
buster (security)7:4.1.11-0+deb10u1vulnerable
bullseye (security), bullseye7:4.3.6-0+deb11u1vulnerable
bookworm, bookworm (security)7:5.1.4-0+deb12u1vulnerable
sid, trixie7:6.1.1-4vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bookworm] - ffmpeg <postponed> (Pick up when fixed in 5.1.x)
[bullseye] - ffmpeg <postponed> (Pick up when fixed in 4.3.x)
[buster] - ffmpeg <postponed> (Pick up when fixed in 4.3.x)
Fixed by (n7.0)

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