Apple QuickTime before 7.7.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted .pict file.
http://lists.apple.com/archives/security-announce/2012/May/msg00005.html
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15219
http://support.apple.com/kb/HT5261