CVE-2020-22026

Name	CVE-2020-22026
Description	Buffer Overflow vulnerability exists in FFmpeg 4.2 in the config_input function at libavfilter/af_tremolo.c, which could let a remote malicious user cause a Denial of Service.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2742-1, DSA-4990-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ffmpeg (PTS)	bullseye	7:4.3.7-0+deb11u1	fixed
	bullseye (security)	7:4.3.8-0+deb11u1	fixed
	bookworm, bookworm (security)	7:5.1.6-0+deb12u1	fixed
	sid, trixie	7:7.1-3	fixed

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

Package	Type	Release	Fixed Version	Origin
ffmpeg	source	stretch	7:3.2.15-0+deb9u3	DLA-2742-1
ffmpeg	source	buster	7:4.1.8-0+deb10u1	DSA-4990-1
ffmpeg	source	(unstable)	7:4.3-2

https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=58bb9d3a3a6ede1c6cfb82bf671a5f138e6b2144
https://trac.ffmpeg.org/ticket/8317