Along with Mac OS X 10.6.2, Apple released Security Update 2009-006 for Leopard and Snow Leopard on Monday. The security update addressed several issues related to SSL certificates, QuickTime, and more.
The update corrected arbitrary code execution issues with the AFP client, FAT-formatted drives, Apache Portable Runtime, ATS, CoreGraphics, CoreMedia, Dictionary, Disk Images, Dovecot, FTP Server, Unicode, IOKit, Kernel, and more. The update also addressed potential Denial of Service threats, and escalation of permissions flaws.
Security Update 2009-006 requires Mac OS X 10.5.8 or higher, and is included in the Mac OS X 10.6.2 update. It is also available as a standalone installer for the Client and Server versions of Mac OS X.