CVE-2020-20450

NameCVE-2020-20450
DescriptionFFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause 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)
ReferencesDSA-4998-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)stretch (security)7:3.2.18-0+deb9u1fixed
stretch (lts), stretch7:3.2.19-0+deb9u4fixed
buster7:4.1.9-0+deb10u1vulnerable
buster (security)7:4.1.11-0+deb10u1vulnerable
bullseye7:4.3.6-0+deb11u1fixed
bullseye (security)7:4.3.7-0+deb11u1fixed
bookworm (security), bookworm7:5.1.5-0+deb12u1fixed
trixie7:6.1.1-4fixed
sid7:6.1.1-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourceexperimental7:4.4-1
ffmpegsourcestretch(not affected)
ffmpegsourcebullseye7:4.3.3-0+deb11u1DSA-4998-1
ffmpegsource(unstable)7:4.4-5unimportant

Notes

[stretch] - ffmpeg <not-affected> (vulnerable code is not present)
https://trac.ffmpeg.org/ticket/7993
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=5400e4a50c61e53e1bc50b3e77201649bbe9c510
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=3865b1952e5cf993b016d83ba78fe1deb63bbfad (4.3)
Negligible security impact

Search for package or bug name: Reporting problems