Apple releases Safari 3.1 and Mac OS X Security Update 2008-002 today (2008.03.18).
Safari 3.1
Safari 3.1 is available for Mac OS X Tiger, Leopard, and Windows XP/Vista.This update is recommended for all Safari users and features improvements to stability, compatibility, JavaScript performance and security.
For detailed information on this update, please visit this website: http://docs.info.apple.com/article.html?artnum=307467
For information on the security content of this update, please visit this website: http://docs.info.apple.com/article.html?artnum=61798
Security Update 2008-002 v1.0
Security Update 2008-002 is recommended for all users and improves the security of Mac OS X and Mac OS X Server. Previous security updates have been incorporated into this security update.Mac OS X 10.4.11 Tiger PPC – 68MB | Universal – 103MB
Mac OS X 10.5.2 Leopard – 50MB
Mac OS X 10.5.2 Server Leopard – 108MB
Mac OS X 10.4.11 Server Tiger PPC – 82MB | Universal – 107MB