Following the release of Mac OS X 10.5.4, Apple has released a security update aimed at users of Mac OS X 10.4.11.

Security Update 2008-004 is recommended for all Tiger clients and servers and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.

Further details on Security Update 2008-004 are available here.

This security update is included within the Mac OS X 10.5.4 release.