CVE-2020-22042

NameCVE-2020-22042
DescriptionA Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak is affected by: memory leak in the link_filter_inouts function in libavfilter/graphparser.c.
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)
ReferencesDSA-4998-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)stretch7:3.2.14-1~deb9u1vulnerable
stretch (security)7:3.2.16-1+deb9u1vulnerable
buster7:4.1.6-1~deb10u1vulnerable
buster (security)7:4.1.8-0+deb10u1vulnerable
bullseye7:4.3.2-0+deb11u2vulnerable
bullseye (security)7:4.3.3-0+deb11u1fixed
bookworm, sid7:4.4.1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourcebullseye7:4.3.3-0+deb11u1DSA-4998-1
ffmpegsource(unstable)7:4.4-5unimportant

Notes

[stretch] - ffmpeg <ignored> (Patch can not be applied cleanly; Minor issue)
https://trac.ffmpeg.org/ticket/8267
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=426c16d61a9b5056a157a1a2a057a4e4d13eef84

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