Mozilla has released version 3.6.4 of its Firefox web browser, the latest security and stability update. Firefox 3.5.10, Thunderbird 3.0.5 and SeaMonkey 2.05 are also released. The update fixes a total of seven vulnerabilities, four of them rated as critical by Mozilla. Mozilla advises all users to upgrade to the latest release as soon as possible. The latest version of Firefox is available to download for Windows, Mac OS X and Linux.”]