Firefox 36.0.4 Released by Mozilla

Last updated: April 13, 2016 

Firefox 36.0.4 Released by Mozilla

Firefox 36.0.4Firefox 36.0.4 has been released by Mozilla.  The new version is available for Windows, Mac, Linux and Android, and includes security fixes for issues disclosed at the Hewlett-Packard Zero Day Initiative’s (HP ZDI) Pwn2Own 2015 contest.  A researcher demonstrated the Firefox bug with an out-of-bounds read/write vulnerability which led to medium-integrity code execution.  The security researcher, Mariusz Mlynski (also known as ilxu1a), reported that he found the bug through static analysis, and received $15,000 for the bug.  The ZDI is a program designed to reward security researchers for responsibly disclosing vulnerabilities.

In addition to fixing the bug disclosed at the Pwn2Own 2015 contest, Firefox 36.0.4 includes several new features, changes to existing features, HTML5 support enhancements, developer-level feature enhancements, and fixes to previously known bugs.  New features include the ability to sync pinned tiles on the new tab page, full HTTP/2 support, and the addition of a locale for the Uzbek (uz) language.

This updated also fixes known bugs including a top crash, startup crash, some bugs related to the new Firefox Hello video chat feature, a print preference issue, and an unexpected logout issue from Facebook or Google after Firefox restarts, among others.

It is recommended that you always keep your web browser application up to date.  As such, we would suggest that you upgrade your Firefox web browser to Firefox 36.0.4 right away.  Please see How can I update Firefox for information about how to keep your computer’s Firefox installation current.  If you are a new user, and would like to download and install the Firefox web browser, please visit the Firefox download web site.

Once you have successfully updated Firefox, check that you are using the latest version by clicking the Help file menu at the top of a Firefox browser window, and selecting About Firefox.  A new window will launch that displays the Firefox version number, and a notification that Firefox is up to date.

Firefox 36.0.4

Firefox 36.0.4 Release Notes

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