Please see this Auscert Alert (http://www.auscert.org.au/render.html?it=7664) for details of a new problem with the Sun JRE. Sun are adamant that they have fixed it in Java SE 6 update 2 so if you haven't already done so now is the time to upgrade (http://dw.com.com/redir?destUrl=http%3A%2F%2Fjava.com&siteId=22&oId=2100-1009-6196493&ontId=1009&lop=nl.ex).