Download Mozilla Firefox 3.5.1 for Mac OS X

Critical vulnerability fixed

By on July 17th, 2009 12:24 GMT
Mozilla has released a new version of its popular web browser, Firefox. The release notes for Mozilla Firefox 3.5.1 reveal that developers have been able to address several security issues, as well as to improve the stability of the software.

By digging deeper into the release notes, we see that Mozilla has also patched a critical vulnerability in Firefox 3.5.1. Fixed in the latest stable version of the browser is a Corrupt JIT state after deep return from native function. Critical vulnerabilities can be used to run attacker code and install software, requiring no user interaction beyond normal browsing, Mozilla explains.

Starting with Firefox version 3.1 Beta 2, Mozilla's popular web browser is based on the Gecko 1.9.1 rendering platform, which has been under development at Mozilla for almost a year now. At the time, Mozilla described Gecko 1.9.1 as “an incremental release on the previous version with significant changes to improve web compatibility, performance, and ease of use.”

Firefox 3.5 is also based on the Gecko 1.9.1 rendering platform, which has been under development for the past year. Firefox 3.5 supports new web technologies, improving performance and ease of use, Mozilla asserts. The company posts notable features, such as:

- Support for the HTML5 <video> and <audio> elements including native support for Ogg Theora encoded video and Vorbis encoded audio.
- Improved tools for controlling your private data, including a Private Browsing Mode.
- Better web application performance using the new TraceMonkey JavaScript engine.
- The ability to share your location with websites using Location Aware Browsing.
- Support for native JSON, and web worker threads.
- Improvements to the Gecko layout engine, including speculative parsing for faster content rendering.
- Support for new web technologies such as: downloadable fonts, CSS media queries, new transformations and properties, JavaScript query selectors, HTML5 local storage and offline application storage, <canvas> text, ICC profiles, and SVG transforms.


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