10 September 2009 - Security Update 2009-005 is now available and addresses a number of security vulnerabilities.
Security Update 2009-005 affects Mac OS X 10.4.11 and Mac OS X 10.5.8 and is recommended for all users. A restart is required.
For more information about this release, see About Security Update 2009-005.
Security Update 2009-005 may be obtained automatically from the Software Update pane in System Preferences or downloaded manually from Apple Software Downloads.
For a list of all updates, see the Apple Security Updates website.