CVE-2012-0947

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.

Score

CVSS 2.0 6.8 Medium

Status

Modified - security@ubuntu.com

Published

2012-08-20

Last modified

2024-08-06

Weaknesses

CWE-119

Affected products

• Libav (Libav)

References

• http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3
• http://libav.org/
• http://secunia.com/advisories/49089
• http://www.debian.org/security/2012/dsa-2471
• http://www.openwall.com/lists/oss-security/2012/05/03/4
• http://www.securityfocus.com/bid/53389
• http://www.ubuntu.com/usn/USN-1479-1
• https://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963