This is now a security issue. As the vulnerability CVE-2021-38503 is currently actively exploited and will not be fixed in 1.78 series, which is EOL (see https://www.mozilla.org/en-US/security/advisories/mfsa2021-50/) The latest version available in focal and focal-updates repositories is 1.78.13 (even not the latest available version of the 1.78 series).
This is a show stopper for an LTS edition; please fix rapidly! ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-38503 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-38504 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-38506 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1949605 Title: Backport Thunderbird 91 to 20.04 LTS and 18.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1949605/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs