As of Feb 21, 2008, the current version of Sun's Java client is Java(TM) 6 Update 4.
Plase follow our "How To Update Sun's Java Software" to update your Java software.
This update fixes a security issue allowed malicious people to bypass security restrictions and run malicious XML data within a trusted applet or Java Web Start application.
Older versions of Sun Java are not removed from your system when downloading and installing new versions from Sun. Therefore, if you have the latest Sun Java version installed, then you should consider removing all older versions of Sun Java from your system. This can be done via "Add/Remove Programs" in the Microsoft Windows "Control Panel".