CVE-2011-3458
QuickTime in Apple Mac OS X before 10.7.3 does not prevent access to uninitialized memory locations, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted MP4 file.
Date published : 2012-02-02
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
http://lists.apple.com/archives/security-announce/2012/May/msg00005.html