CVE-2018-13305

NameCVE-2018-13305
DescriptionIn FFmpeg 4.0.1, due to a missing check for negative values of the mquant variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)stretch7:3.2.14-1~deb9u1fixed
stretch (security)7:3.2.16-1+deb9u1fixed
buster7:4.1.6-1~deb10u1fixed
buster (security)7:4.1.8-0+deb10u1fixed
bullseye (security), bullseye7:4.3.3-0+deb11u1fixed
bookworm7:4.4.1-2fixed
sid7:4.4.1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsource(unstable)(not affected)
libavsourcejessie(not affected)
libavsource(unstable)(unfixed)

Notes

- ffmpeg <not-affected> (Vulnerable code not present)
[jessie] - libav <not-affected> (vulnerable code is not present)
https://github.com/FFmpeg/FFmpeg/commit/d08d4a8c7387e758d439b0592782e4cfa2b4d6a4
https://github.com/FFmpeg/FFmpeg/commit/d08d4a8c7387e758d439b0592782e4cfa2b4d6a4#commitcomment-30094223

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