This new DoS vulnerability was patched and all Firefox users should update to the latest version.
Firefox 220.127.116.11 released to address DoS vulnerability
QUOTE: What's New in Firefox 18.104.22.168 - Firefox 22.214.171.124 is a security update that is part of our ongoing program to provide a safe Internet experience for our customers. We recommend that all users upgrade to this latest version.
Security fix for denial of service vulnerability.
Release Date: May 2, 2006
Malware developments continue for Mobile users and users should continue to avoid unusual messages or any files offered to them in that environment.
F-Secure reports over 200 Mobile malware threats developed so far
QUOTE: In less than half a year our tally of mobile malware has doubled to 200. Many of those in that count are variants of already detected viruses, but the speed at which the number grows has real implications for all those with unprotected smartphones. At the least, this is a testing ground. What comes next?