CVE-2014-8547: Improper Restriction of Operations within the Bounds of a Memory Buffer

libavcodec/gifdec.c in FFmpeg before 2.4.2 does not properly compute image heights, which allows remote attackers to cause a denial of service out-of-bounds access or possibly have unspecified other impact via crafted GIF data...

CVE-2013-0864: Undefined Security Weakness

The gifcopyimgrect function in libavcodec/gifdec.c in FFmpeg before 1.1.2 performs an incorrect calculation for an "end pointer," which allows remote attackers to have an unspecified impact via crafted GIF data that triggers an out-of-bounds array access...