Apple also released Security Update 2010-003 (Leopard-Client) and Security Update 2010-003 (Leopard-Server), both of which are also recommended for all users and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.
Security Update 2010-003 is available via Software Update and also via standalone installers.
More info and download links here.
[Thanks to MacDailyNews Reader “iQuack” for the heads up.]