CVE-2012-6615
The ff_ass_split_override_codes function in libavcodec/ass_split.c in FFmpeg before 1.0.2 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a subtitle dialog without text.
Date published : 2013-12-24
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=20c121c00747d6c3b0b0f98deeff021171b2ed74