From CNET:
Apple on Wednesday released an update to the Safari browser that plugs security holes on Macintosh and Windows machines.
Safari 3.1.1 fixes two Safari vulnerabilities that affect Windows XP or Vista and two WebKit vulnerabilities that affect Mac OS and Mac OS X Server versions 10.4.11 and 10.5.2, as well as Windows XP or Vista.
The Windows version of Safari 3.1.1 can be downloaded from CNET's Download.com
http://www.download.com/Safari/3000-...-10821260.html The Mac version here.
http://www.download.com/Safari/3000-...-10821259.html