Security Update 2006-007 is recommended for all users and improves the security of the following components:

AirPort
ATS
CFNetwork
Finder
Font Book
Font Importer
Installer
OpenSSL
PHP
PPP
Samba
Security Framework
VPN
WebKit
gnuzip
perl

Program Information Category: Patches and updates Type: Free Version: 2006-007 Size: 23.3MB Works on: Mac OS X Product page: here