This bug was fixed in the package shadow - 1:4.8.1-1ubuntu9 --------------- shadow (1:4.8.1-1ubuntu9) impish; urgency=medium
* Disallow purely numeric usernames. This includes hexadecimal and octal syntax. (LP: #1927078) -- William 'jawn-smith' Wilson <william.wil...@canonical.com> Thu, 17 Jun 2021 14:35:15 -0500 ** Changed in: shadow (Ubuntu Impish) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1927078 Title: Don't allow useradd to use fully numeric names To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/1927078/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs