January 2010 - Java SE Runtime Environment 6 update 18

Sun's Java is sometimes updated in order to eliminate the exploitation of vulnerabilities in an existing version. For this reason, it's extremely important that you keep the program up to date, and also remove the older more vulnerable versions from your system. The most current version of Sun Java is: Java Runtime Environment Version 6 Update 18.

http://java.sun.com/javase/6/webnotes/6u18.html

http://java.sun.com/javase/downloads/index.jsp

ZB