Thunderbird 91.9.1

[German]In addition to the Firefox developers providing a security update for the Firefox browser (see Firefox 100.0.2 and 91.9.1esr released), wo critical vulnerabilities in the Thunderbird email client have also been fixed with the May 20, 2022 update to version 91.9.1.

Thanks to the reader for pointing this out. According to the Thunderbird release notes, the following vulnerabilities are closed.

System requirements

The system requirements for the different operating system versions (see here for more details):

  • Windows: Windows 7 or later
  • Mac: Mac OS X 10.9 or later
  • Linux: GTK+ 3.14 or later

The download of the free Thunderbird is available here.

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