Apple today released QuickTime 7.4.5 which includes fixes that enhance reliability, improve compatibility with third-party applications, and address security issues. This release is recommended for all QuickTime 7 users.
For detailed information on the security content of this update, please visit this website: http://www.info.apple.com/kbnum/n61798.
Information about the security content of QuickTime 7.4.5 can be found here.
QuickTime 7.4.5 is available via Software Update.
[Thanks to MacDailyNews Reader “John” for the heads up.]