Apple has released Security Update 2007-003 for Mac OS X 10.3 "Panther".
Security Update 2007-003 is recommended for all users and improves the security of the following components:
ColorSync
CoreGraphics
Crash Reporter
cups
Directory Services
DiskImages Framework
Flash Player Plug-in
Foundation
gnutar
OpenSSH
Print Center
QuickDraw
sudo
Security Update 2007-003 (Client, 36MB)
Security Update 2007-003 (Server, 49.5MB)
UserAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.2) Gecko/20070219 Firefox/2.0.0.2
