Version 3.0.7 of the popular Firefox Web browser, released yesterday, fixes some security issues and is more stable than its immediate predecessor, according to the official launch advisory.


The advisory rates the patch as ‘critical’…

Mozilla developers identified and fixed several stability bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these crashes showed evidence of memory corruption under certain circumstances and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

The engineers note that the browser engine in Firefox is also shared by the Thunderbird email client which could also be vulnerable to some of the same security flaws when encountering Javascript in emails.

Current users may have their updates already, thanks to the Firefox updating service. Check the ‘Help’ tab in your top of window menu for a selection that lets you ‘Install Downloaded Update Now…’. Or just let the update install itself automatically the next time you start up Firefox.

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