CVE-2011-4579 Information

Description

The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7 0.6.x before 0.6.4 0.7.x before 0.7.9 and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6 0.6.x before 0.6.4 and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream related to \dimensions changed.\

Reference

http://ffmpeg.org/ http://git.libav.org/?p=libav.git;a=commit;h=6e24b9488e67849a28e64a8056e05f83cf439229 http://git.videolan.org/?p=ffmpeg.git;a=commit;h=6e24b9488e67849a28e64a8056e05f83cf439229 http://libav.org/ http://ubuntu.com/usn/usn-1320-1 http://ubuntu.com/usn/usn-1333-1 http://www.mandriva.com/security/advisories?name=MDVSA-2012:074 http://www.mandriva.com/security/advisories?name=MDVSA-2012:075 http://www.mandriva.com/security/advisories?name=MDVSA-2012:076 http://www.securityfocus.com/archive/1/520620