CVE-2011-3974 Information

Description

Integer signedness error in the decode_residual_inter function in cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file a different vulnerability than CVE-2011-3362.

Reference

http://git.videolan.org/?p=ffmpeg.git;a=commit;h=bd968d260aef322fb32e254a3de0d2036c57bd56 http://www.ffmpeg.org/releases/ffmpeg-0.7.5.changelog http://www.ffmpeg.org/releases/ffmpeg-0.8.4.changelog 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