The update, Flash Player 11.3.300.262, was released Thursday and applies only to Firefox on Windows.
Softly rounded tabs will feature prominently in the browser's upcoming new look.
Now in Mozilla's Aurora channel, meanwhile, Firefox 15 adds native PDF support.
The flaws were all over the map, and included memory corruption, integer and stack overflow, and security bypass bugs.
Speed, more speed, and several new features make Mozilla's free browser a must-see for users.
Google's Chrome passed Mozilla's Firefox in May to become the world's second-most-popular browser, according to data released today by a Web analytics company.
Google's Chrome is about to grab the top browser spot for a full month for the first time from Microsoft's Internet Explorer.
This new program from the maker of Firefox aims to deliver tools and education to foster development of the open Web.
Nostalgic for the golden days of Twitter retweets? Get them back with Classic Retweet.
Mozilla Marketplace will be online in a few weeks to take on Apple App Store and Google Play Store