It's fixed in Debian by version 3.121 and therefore fixed in adduser 3.121ubuntu1 in Ubuntu 22.10 (kinetic).
** Changed in: adduser (Ubuntu) Status: Confirmed => 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/1838489 Title: adduser & deluser shell command injection To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/adduser/+bug/1838489/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs