Mozilla released Firefox 3.6.18 for Windows, Mac and Linux fixing several security and stability issues [1]. Mozilla Thunderbird released version 3.1.11 fixing vulnerabilities reported in version 3.1.10 [2].

Mozilla released Firefox 5.0 for Windows, Mac and Linux and it is the "First Web Browser to Support Do Not Track on Multiple Platforms.[3]" This version includes more than 1,000 improvements and performance enhancements. It is available for download here.

[1] http://www.mozilla.org/security/known-vulnerabilities/firefox36.html#firefox3.6.18
[2] http://www.mozilla.org/security/known-vulnerabilities/thunderbird31.html#thunderbird3.1.11
[3] http://blog.mozilla.com/blog/2011/06/21/mozilla-delivers-new-version-of-firefox-first-web-browser-to-support-do-not-track-on-multiple-platforms/
 

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Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot edu