Apple released a Java update for Mac OS X 10.5 and 10.6:
Java for Mac OS X 10.6 Update 2 delivers improved reliability, security, and compatibility for Java SE 6. Java for Mac OS X 10.6 Update 2 supersedes the previous Java for Mac OS X v10.6.
This release updates Java SE 6 to version 1.6.0_20.
This release is only for Mac OS X v10.6.3 or later.
This release of Java SE 6 is available on Intel-based Macs only.
http://support.apple.com/kb/HT4141?viewlocale=en_US
