Oracle has released an update addressing security holes in Java. The update addresses remotely exploitable vulnerabilities that do not require authentication.
The IT Security Office advises applying the updates as soon as possible.
Released: March 4, 2013
JDK and JRE 7 Update 15 and earlier
JDK and JRE 6 Update 41 and earlier
JDK and JRE 5.0 Update 40 and earlier