Apple QuickTime before 7.6.2 does not properly initialize memory before use in handling movie files, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a movie containing a user data atom of size zero.
lists.apple.com/archives/security-announce/2009/Jun/msg00000.html
secunia.com/advisories/35091
support.apple.com/kb/HT3591
www.securityfocus.com/bid/35162
www.securitytracker.com/id?1022314
www.vupen.com/english/advisories/2009/1469
exchange.xforce.ibmcloud.com/vulnerabilities/50896
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16188