Software Update: Mozilla Thunderbird

The Mozilla Foundation released version of Thunderbird Monday. Mozilla Thunderbird is an open source and cross platform mail and newsgroup client with features such as support for multiple mail and news accounts, a junk mail filter, a spell checker and a customizable look and feel. Of course, the functionality can be further expanded with the help of so-called extensions. Version fixes the following seven security vulnerabilities:

Fixed in Thunderbird

  • MFSA 2009-33 Crash viewing multipart/alternative message with text/enhanced part
  • MFSA 2009-32 JavaScript chrome privilege escalation
  • MFSA 2009-29 Arbitrary code execution using event listeners attached to an element whose owner document is null
  • MFSA 2009-27 SSL tampering over non-200 responses to proxy CONNECT requests
  • MFSA 2009-24 Crashes with evidence of memory corruption (rv:
  • MFSA 2009-17 Same-origin violations when Adobe Flash loaded via view-source: scheme
  • MFSA 2009-14 Crashes with evidence of memory corruption (rv:

Version number
Release status Final
Operating systems Windows 2000, Linux, Windows XP, macOS, Windows Server 2003, Windows Vista
Website Mozilla Foundation
File size 6.45MB
License type Conditions (GNU/BSD/etc.)