Fixes for both products emerged to counter threats against vulnerabilities in these popular multimedia applications.

Popular multimedia applications needed attention from engineers to correct flaws that could have led to exploitation.

Apple released QuickTime 7.4.5 for Windows and for its Mac OS X. Numerous critical problems that could have been exploited by opening a malicious movie presented the potential for arbitrary code execution on an affected system.

Windows XP and Vista users should see this update appear in the Apple Software Update. The criticality of the flaws merits immediate attention to updating QuickTime.