This update is available for both Leopard (10.5) and Tiger (10.4).
Security Update 2008-005 is recommended for all users and improves the security of Mac OS X.
For detailed information on this update, please visit this website: http://support.apple.com/kb/HT1222.Details of changes:
http://support.apple.com/kb/HT2647
We urge users to update as this addresses the infamous DNS hole which has been much discussed months ago. You may do so via Software Update, or for those who prefer the manual approach, http://www.apple.com/downloads/macosx/apple/ lists 5 packages for one to select. 2 out of the 5 are catered to the Server versions.
[translation by Cheerful]
