The plug-in in QuickTime in Apple Mac OS X before 10.6.7 allows remote attackers to bypass the Same Origin Policy and obtain potentially sensitive video data via vectors involving a cross-site redirect.
http://support.apple.com/kb/HT5002
http://support.apple.com/kb/HT4999
http://support.apple.com/kb/HT4581
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://lists.apple.com/archives/security-announce/2011//Aug/msg00000.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html