CVE-2012-0849 Information

Description

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.

Reference

http://ffmpeg.org/security.html http://git.videolan.org/?p=ffmpeg.git;a=commit;h=1f99939a6361e2e6d6788494dd7c682b051c6c34 http://www.ffmpeg.org/trac/ffmpeg/ticket/776 http://www.openwall.com/lists/oss-security/2012/02/01/11 http://www.openwall.com/lists/oss-security/2012/02/14/4 https://exchange.xforce.ibmcloud.com/vulnerabilities/78935