Apple QuickTime before 7.0.3 allows user-assisted attackers to overwrite memory and execute arbitrary code via a crafted PICT file that triggers an overflow during expansion.
http://www.vupen.com/english/advisories/2005/2293
http://www.securityfocus.com/bid/15309
http://www.securityfocus.com/archive/1/415714/30/0/threaded
http://www.kb.cert.org/vuls/id/855118
http://securitytracker.com/id?1015152
http://securityreason.com/securityalert/144
http://secunia.com/advisories/17428