CVE-2012-0849
Integer overflow in the ff_j2k_dwt_init function in libavcodec/j2k_dwt.c in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (segmentation fault and application crash) via a crafted JPEG2000 image that triggers an incorrect check for a negative value.
Date published : 2012-08-27
http://ffmpeg.org/security.html
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=1f99939a6361e2e6d6788494dd7c682b051c6c34