Apple has issued security updates for the Mac OS X operating system.
http://support.apple.com/kb/HT3865
http://support.apple.com/kb/HT3864
http://support.apple.com/downloads/
About the security content of QuickTime 7.6.4
http://support.apple.com/kb/HT3859
About the security content of iPhone OS 3.1 and iPhone OS 3.1.1 for iPod touch
http://support.apple.com/kb/HT3860
September 2nd, 2009 by Graham Cluley, Sophos.
Apple ships a known vulnerable version of Flash with Snow Leopard
Check your version of Adobe Flash is current: http://get.adobe.com/flashplayer/



