Java for Mac OS X 10.5 Update 5

http://support.apple.com/kb/HT3851

A major java update for Mac OS X 10.5 was released yesterday by Apple.
It addresses 17 unique Common Vulnerabilities and Exposures (CVE) in
Java ranging from privilege escalation, arbitrary code execution and
unexpected application termination (DoS).

It is recommended that all Macintosh OS X 10.5 users update their
version of Java and ensure that all older versions of Java have been
removed.