OS X Combo 10.5.7 Update has been released
The 10.5.7 Update is recommended for all users running Mac OS X Leopard and includes general operating system fixes that enhance the stability, compatibility and security of your Mac.Download
For detailed information on this update, please visit this website: http://support.apple.com/kb/HT3397
System Requirements
Mac OS X 10.5.1 - 10.5.6
License: Update
Requires: OSX 10.5+
Size: 729Mb