CVE-2020-20891

NameCVE-2020-20891
DescriptionBuffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, 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)bullseye7:4.3.7-0+deb11u1fixed
bullseye (security)7:4.3.8-0+deb11u1fixed
bookworm, bookworm (security)7:5.1.6-0+deb12u1fixed
sid, trixie7:7.1-3fixed

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

https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/64a805883d7223c868a683f0030837d859edd2ab (4.3)
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/d5cb859665d62658d7859f345650fcb38528c4ab (4.1.9)
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/f8b4426c10aa65f4c04847a50ebfdcb8782a49b7 (3.2.17)
https://trac.ffmpeg.org/ticket/8282

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