An exploitable integer overflow vulnerability exists within the MPEG-4
decoding functionality of the GPAC Project on Advanced Content library
v1.0.1. A specially crafted MPEG-4 input used to process an atom using the
“saio” FOURCC code cause an integer overflow due to unchecked arithmetic
resulting in a heap-based buffer overflow that causes memory corruption. An
attacker can convince a user to open a video to trigger this vulnerability.