Both Google and Mozilla have released security updates for their Chrome and Firefox browsers.

Google Chrome has been updated to 41.0.2272.118, fixing 4 security holes—one of which was critical and one that was High. Go to this site for help in updating Chrome:

Mozilla has updated Firefox to version 37, Firefox ESR to version 31.6 and Thunderbird to 31.6 Here are the update links:

Mozilla Firefox:

Mozilla Firefox ESR:

Mozilla Thunderbird: