Mac OS X 10.6.4 and Security Update 2010-004.

Mac OS X 10.6.4 is released with a lot of bug-fixes along with Security Update 2010-004 for Leopard.

June 15, 2010

Mac OS X v10.6.4 Update607.21 MB
Mac OS X v10.6.4 Update (Combo)887.37 MB
The 10.6.4 Update is recommended for all users running Mac OS X Snow Leopard. It includes Safari 5 and general operating system fixes.

Mac OS X v10.6.4 Update Mac mini (Mid 2010)403.38 MB
The Mac OS X 10.6.4 Update is recommended for all users of Mac mini (Mid 2010). This update contains all the applicable fixes from the Mac OS X 10.6.4 Update, plus specific fixes for Mac mini (Mid 2010).

Mac OS X Server v10.6.4 Update Mac mini (Mid 2010)411.72 MB
The Mac OS X Server 10.6.4 Update is recommended for all users of Mac mini (Mid 2010). This update contains all the applicable fixes from the Mac OS X 10.6.4 Update, plus specific fixes for Mac mini (Mid 2010).

Mac OS X Server v10.6.4 Update615.60 MB
Mac OS X Server v10.6.4 Update (Combo)1.05 GB
The 10.6.4 update is recommended for all servers currently running Snow Leopard Server version 10.6. It includes Safari 5 and general operating system fixes that enhance the stability, compatibility and security of your server.

Security Update 2010-004 (Leopard-Client)222 MB
Security Update 2010-004 is recommended for all users and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.

Security Update 2010-004 (Leopard-Server)380.29 MB
Security Update 2010-004 is recommended for all servers and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.

The updates are available through Software Updates and Apple Support Downloads page.