Available for: Mac OS X v10.4.11, Mac OS X v10.5.8, Windows 7, Vista and XP SP3
Impact: Viewing a maliciously crafted H.264 movie may lead to an unexpected application termination or arbitrary code execution
Description: A memory corruption issue exists in QuickTime's handling of H.264 movie files. Viewing a maliciously crafted H.264 movie file may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue through improved bounds checking. Credit to Tom Ferris of the Adobe Secure Software Engineering Team for reporting this issue.