A list of vulnerabilities and fixes with technical details for Mozilla Firefox and Thunderbird is available at the link below. These vulnerabilities affect Mozilla Firefox 31.x, Firefox 32, Firefox 33, and Mozilla Thunderbird 31.x. It is recommended to install the latest versions of the products from the manufacturer.
Go here for more details – http://malwarelist.net/2014/10/17/multiple-vulnerabilities-in-mozilla-firefox-and-thunderbird-october-17-2014/