A vulnerability classified as problematic has been found in FFmpeg 2.0. This affects the function add_yblock of the file libavcodec/snow.h. The manipulation leads to memory corruption. It is possible to initiate the attack remotely. It is recommended to apply a patch to fix this issue.
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=61d59703c91869f4e5cdacd8d6be52f8b89d4ba4