CVE-2011-3947 Information

Description

Buffer overflow in mjpegbdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11 and in Libav 0.5.x before 0.5.9 0.6.x before 0.6.6 0.7.x before 0.7.5 and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted MJPEG-B file.

Reference

http://ffmpeg.org/ http://git.libav.org/?p=libav.git;a=commit;h=b57d262412204e54a7ef8fa1b23ff4dcede622e5 http://git.videolan.org/?p=ffmpeg.git;a=commit;h=b57d262412204e54a7ef8fa1b23ff4dcede622e5 http://libav.org/ http://secunia.com/advisories/49089 http://www.debian.org/security/2012/dsa-2471 http://www.ubuntu.com/usn/USN-1479-1