Public bug reported: The Ubuntu package version of Thunderbird is still 48.0, despite there being two subsequent releases via the Thunderbird release channel, 52.0 and, this week, 52.1.
These contain several security fixes that are missing from 48.0: https://www.mozilla.org/en-US/security/advisories/mfsa2017-09/ https://www.mozilla.org/en-US/security/advisories/mfsa2017-13/ The package overview here suggests that no Ubuntu version is on anything newer than 48.0. ** Affects: thunderbird (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1687571 Title: Thunderbird package missing security fixes: package version is 48.0, current release is 52.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1687571/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs