CVE-2020-22031

Name	CVE-2020-22031
Description	A 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.
Source	CVE (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)
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)	buster	7:4.1.9-0+deb10u1	fixed
	buster (security)	7:4.1.10-0+deb10u1	fixed
	bullseye (security), bullseye	7:4.3.5-0+deb11u1	fixed
	bookworm, sid	7:5.1.2-3	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://trac.ffmpeg.org/ticket/8243
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=0e68e8c93f9068596484ec8ba725586860e06fc8