Some of the comments FF users left at FF's website are quite interesting, you have want to have a read: https://addons.mozilla.org/firefox/2572/
On a separate issue, FF and IE were foud to have the same vulnerability in common over here: IE7 and Firefox 2.0 Share Vulnerabilities - Exploits require user interaction - Softpedia
On a separate issue, FF and IE were foud to have the same vulnerability in common over here: IE7 and Firefox 2.0 Share Vulnerabilities - Exploits require user interaction - Softpedia