Apple Releases Mac OS X Security Update 2010-005 - Fixes OS X PDF Exploit
Apple has released a Security Update today for Mac OS X Server 10.5, Mac OS X 10.5.8, Mac OS X Server 10.6, Mac OS X 10.6.4 which addresses issues in the following software:CFNetwork, ClamAV, CoreGraphics, libsecurity, PHP, Samba...
http://www.macrumors.com/2010/08/24/apple-releases-security-update-2010-005/