A new version of Java was released for Apple OS X on November 8. The current version is 1.6.0_29. The updates apply to the following OS-X versions.
Mac OS-X version 10.7 and later
http://support.apple.com/kb/HT5045 Java Update 1
Mac OS-X version 10.6.8
http://support.apple.com/kb/HT5045 Java Update 6