Mozilla Firefox is a free, open-source and cross-platform web browser for Windows, Linux, MacOS X and many other operating systems. It is fast and easy to use, and offers many advantages over other web browsers, such as tabbed browsing and the ability to block pop-up windows. Firefox also offers excellent bookmark and history management, and it can be extended by developers using industry standards such as XML, CSS, JavaScript, C++, etc. Many extensions are available. This package tracks Firefox 45 ESR branch. Changelog from www/firefox 45.0.2: Fixed in Firefox ESR 45.1 2016-47 Write to invalid HashMap entry through JavaScript.watch() 2016-44 Buffer overflow in libstagefright with CENC offsets 2016-39 Miscellaneous memory safety hazards (rv:46.0 / rv:45.1 / rv:38.8)