Just incase you have Software Update set to check weekly...

Security Update 2004-09-07 delivers a number of security enhancements and is recommended for all Macintosh users. 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