This time it is the turn of QuickTime to have a little revision. One should note that there are 3 versions available depending on the version of OSX installed (Panther, Tiger or Leopard)
QuickTime 7.4.1 addresses security issues and improves compatibility with third-party applications.
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.
[translation by crispin]