Apple posted a minor update to their 2008-002 Security update.
Security Update 2008-002 is recommended for all users and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.
According to MacObserver the update "addresses reliability issues with the 'Printer Settings...' button in Aperture 2.0 on systems running Mac OS X v10.5.2. No applications other than Aperture 2.0 are affected".