Heap-based buffer overflow in Apple QuickTime before 7.6 allows remote attackers to cause a denial of service (application termination) and possibly execute arbitrary code via a QuickTime movie file containing invalid image width data in JPEG atoms within STSD atoms.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6132
http://www.zerodayinitiative.com/advisories/ZDI-09-008/
http://www.vupen.com/english/advisories/2009/0212
http://www.us-cert.gov/cas/techalerts/TA09-022A.html
http://www.securityfocus.com/bid/33390
http://support.apple.com/kb/HT3403
http://secunia.com/advisories/33632
http://lists.apple.com/archives/security-announce/2009/Jan/msg00000.html