Apple has released the Security Update 2009-001 for Mac OS X today which improves the security of Mac OS X and recommended for all users.
The security update fixes the following: * Safari RSS vulnerability
* Denial of service vulnerability in AFP server
* A flaw in CoreText
* A security flaw in Folder Manager that allows other local users access to a user's Downloads folder and other vulnerabilities.
The security update is available for Leopard, Leopard Server, Tiger for Intel Macs, Tiger for PowerPC-based Macs, Tiger Server for PowerPC-based Macs and Server Universal.
Two Java updates are also available which addresses security and compatibility issues and are compatible with both Intel and PowerPC-based Macs & applies to Mac OS X 10.5.6 or later versions.
The update can be downloaded and installed via Software Update:
http://docs.info.apple.com/article.html?artnum=106704 or from Apple Downloads:
http://www.apple.com/support/downloads/More information about the update can be obtained here:
http://support.apple.com/kb/HT3438(NeoWin)