CVE-2020-22031

NameCVE-2020-22031
DescriptionA Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, which might lead to memory corruption and other potential consequences.
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)
ReferencesDLA-2742-1
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)7:3.2.15-0+deb9u4fixed
buster, buster (security)7:4.1.6-1~deb10u1vulnerable
bullseye7:4.3.2-0+deb11u2fixed
bookworm, sid7:4.4-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourcestretch7:3.2.15-0+deb9u3DLA-2742-1
ffmpegsource(unstable)7:4.3-2

Notes

[buster] - ffmpeg <postponed> (Wait for 4.1.8)
https://trac.ffmpeg.org/ticket/8243
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=0e68e8c93f9068596484ec8ba725586860e06fc8

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