CVE-2020-20892

NameCVE-2020-20892
DescriptionAn issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a division by zero.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3010-1, DSA-5126-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)buster7:4.1.9-0+deb10u1fixed
buster (security)7:4.1.10-0+deb10u1fixed
bullseye7:4.3.4-0+deb11u1fixed
bullseye (security)7:4.3.5-0+deb11u1fixed
bookworm, sid7:5.1.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourcestretch7:3.2.18-0+deb9u1DLA-3010-1
ffmpegsourcebuster7:4.1.9-0+deb10u1DSA-5126-1
ffmpegsource(unstable)7:4.3-2

Notes

http://git.videolan.org/?p=ffmpeg.git;a=commit;h=19587c9332f5be4f6bc6d7b2b8ef3fd21dfeaa01 (4.3)
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=439645004bb672a29145621549cb87acdb2f84db (4.1.9)
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=94e502e96b0870177e0af4c1e8718ac71475e374 (3.2.17)
https://trac.ffmpeg.org/ticket/8265

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