The IML32 module in Adobe Shockwave Player before 11.5.9.620 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a Director movie containing a GIF image with a crafted global color table size value, which causes an out-of-range pointer offset.
http://www.vupen.com/english/advisories/2011/0335
http://www.securitytracker.com/id?1025056
http://www.securityfocus.com/bid/46320
http://www.securityfocus.com/archive/1/516334/100/0/threaded
http://www.adobe.com/support/security/bulletins/apsb11-01.html