ir50_32.qtx in an unspecified third-party Indeo v5 codec for QuickTime, when used with Apple QuickTime before 7.5.5 on Windows, accesses uninitialized memory, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted movie file.
http://www.vupen.com/english/advisories/2008/2527
http://www.securityfocus.com/bid/31086
http://www.securityfocus.com/archive/1/496358/100/0/threaded
http://support.apple.com/kb/HT3027
http://securitytracker.com/id?1020841
http://secunia.com/advisories/31821
http://lists.apple.com/archives/security-announce//2008/Sep/msg00000.html