Late in the day on April 24, Mozilla issued security updates for Firefox, Thunderbird and SeaMonkey. There are several security vulnerabilities patched in the latest update. Please make sure your customers are running one of the following versions: 12.0 (Firefox/Thunderbird), or 10.0.4esr (extended support release) – Firefox/Thunderbird or SeaMonkey 2.9 as soon as possible.
Mozilla products –
Firefox – versions 12 and 10.0.4 released on April 24
Thunderbird – versions 12 and 10.0.4 released on April24
SeaMonkey – version 2.8 released on April 24