According to https://launchpad.net/ubuntu/+source/firefox/+publishinghistory Firefox 73 was released on 2020/02/26 for Ubuntu 16.04, 18.04 and 19.10, and a few days earlier for the development version.
** Changed in: firefox (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1862705 Title: firefox package vulnerable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1862705/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs