Security Update 2007-005 released
The 30.2MB universal binary download patches 13 areas of OS X including alias manager, denial of service vulnerabilities in BIND, integer overflow vulnerabilities in PDF, fetchmail password disclosure and other nastiness.
Security Update 2007-005 is recommended for all users and improves the security of the following components:
bind CarbonCore CoreGraphics crontabs fetchmail file iChat mDNSResponder PPP ruby screen texinfo VPN
Security Update 2007-004 has been incorporated into this security update.
For detailed information on this update, please visit this website: http://docs.info.apple.com/article.html?artnum=61798
More information about the update can be found in knowledge base article #305530.