QuickTime 7.6.4 for Leopard
QuickTime 7.6.4 includes changes that increase reliability, improve compatibility and enhance security. This release is recommended for all QuickTime 7 users.
For detailed information on this update, please visit this website: http://support.apple.com/kb/HT3661.
SHA1 for Leopard = f35a8f6f09ee884405ae10b1eca4b7c059f274f0
For explanation of what a SHA1 digest is, please visit this website :About SHA1 digest
For information on the security content of this update, please visit this website: Apple Security Updates