CVE-2018-7557

NameCVE-2018-7557
DescriptionThe decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1630-1, DSA-4249-1

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
trixie7:6.1.1-1fixed
sid7:6.1.1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourcestretch7:3.2.11-1~deb9u1DSA-4249-1
ffmpegsource(unstable)7:3.4.3-1
libavsourcejessie6:11.12-1~deb8u4DLA-1630-1
libavsource(unstable)(unfixed)

Notes

https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/7414d0bda7763f9bd69c26c068e482ab297c1c96
Fixed in 3.2.11

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