Critical: MFSA 2012-11 libpng integer overflow
http://www.mozilla.org/en-US/firefox/10.0.2/releasenotes/
https://www.mozilla.org/en-US/thunderbird/10.0.2/releasenotes/
If you do not receive an update notice when using the application, select “Check for Updates” from the Help menu.
Download Firefox http://www.mozilla.org/en-US/firefox/all.html
Download Thunderbird https://www.mozilla.org/en-US/thunderbird/all.html
