Apple has released Mac OS X 10.4.8 (for "Tiger" users) and Security Update 2006-006 (for "Panther" users.)

Mac OS 10.4.8 offers improved functionality and security fixes from Security Update 2006-006.

Software Update will automatically select the right update for your computer, or you can download the updates from Apple's web site at www.apple.com/support/downloads/

NOTE:Intel-based Macs will restart twice as part of installing Mac OS X 10.4.8. Don't be concerned when this occurs.