Apple Security Advisory 2012-06-11-1 – iTunes 10.6.3 is now available and addresses multiple issues. Importing a maliciously crafted .m3u playlist may lead to an unexpected application termination or arbitrary code execution Description: A heap buffer overflow existed in the handling of .m3u playlists. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution Description: A memory corruption issue existed in WebKit.

Zero Day Initiative Advisory 12-078 – This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple QuickTime. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the way Apple QuickTime handles file with the Sorenson v3 Codec

Zero Day Initiative Advisory 12-077 – This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple QuickTime. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the QuickTimeVR.qtx component