CVE-2020-22049

Name	CVE-2020-22049
Description	A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wtvdec.c.
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-2818-1, 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	Urgency	Origin
ffmpeg	source	stretch	7:3.2.16-1+deb9u1		DLA-2818-1
ffmpeg	source	buster	7:4.1.8-0+deb10u1		DSA-4990-1
ffmpeg	source	(unstable)	7:4.3-2	unimportant

Notes

https://trac.ffmpeg.org/ticket/8314
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=373c1c9b691fd4c6831b3a114a006b639304c2af
Negligible security impact