CVE-2020-22033

NameCVE-2020-22033
DescriptionA heap-based Buffer Overflow Vulnerability exists FFmpeg 4.2 at libavfilter/vf_vmafmotion.c in convolution_y_8bit, which could let a remote malicious user cause 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)
ReferencesDSA-4990-1
NVD severitymedium
Debian Bugs989439

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~deb10u1vulnerable
buster (security)7:4.1.8-0+deb10u1fixed
bullseye7:4.3.2-0+deb11u2fixed
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
ffmpegsourcestretch(not affected)
ffmpegsourcebuster7:4.1.8-0+deb10u1DSA-4990-1
ffmpegsource(unstable)7:4.3.2-0+deb11u2989439

Notes

[stretch] - ffmpeg <not-affected> (Vulnerable code not present)
https://trac.ffmpeg.org/ticket/8246
https://trac.ffmpeg.org/ticket/8241
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=82ad1b76751bcfad5005440db48c46a4de5d6f02

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