Apple has released Security Update 2004-09-07 which delivers a number of security enhancements and is recommended for all Macintosh users, according to Apple’s notes. This update includes the following components:
CoreFoundation
IPSec
Kerberos
libpcap
lukemftpd
NetworkConfig
OpenLDAP
OpenSSH
PPPDialer
rsync
Safari
tcpdump
For detailed information on this Update, please visit this website: http://www.info.apple.com/kbnum/n61798