CVE-2012-0947

Name	CVE-2012-0947
Description	Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in libavcodec in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VQA media file in which the image size is not a multiple of the block size.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2471-1

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	squeeze	4:0.5.8-1	DSA-2471-1
ffmpeg	source	(unstable)	7:2.4.1-1
libav	source	(unstable)	6:0.8.2-1

https://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963
https://www.openwall.com/lists/oss-security/2012/05/03/4