J2SE 5.0 Release 4 fixes security issues
Apple Security Update (APPLE-SA-2006-04-18) includes the following information: J2SE 5.0 Release 4 is now available for Mac OS X v10.4.5 and provides fixes for a couple of security issues that can cause the untrusted Java applications to obtain elevated privileges. J2SE 5.0 Release 4 may be obtained from the Software Update pane in System Preferences, or Apple's Software Downloads web site.
