CVE-2018-13303

NameCVE-2018-13303
DescriptionIn FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_header function in libavcodec/ac3_parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.
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)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)
ffmpegsource(unstable)7:4.0.2-1
libavsourcejessie(not affected)
libavsource(unstable)(unfixed)

Notes

[stretch] - ffmpeg <not-affected> (Vulnerable code not present)
[jessie] - libav <not-affected> (vulnerable code is not present)
https://github.com/FFmpeg/FFmpeg/commit/00e8181bd97c834fe60751b0c511d4bb97875f78

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