This was fixed in Kinetic with https://launchpad.net/ubuntu/+source/krb5/1.20-1
krb5 (1.20-1) unstable; urgency=medium * New Upstream Version * Do not specify master key type to avoid weak crypto, Closes: #1009927 -- Sam Hartman <hartm...@debian.org> Fri, 22 Jul 2022 16:32:38 -0600 ** Also affects: krb5 (Ubuntu Kinetic) Importance: Medium Status: Confirmed ** Changed in: krb5 (Ubuntu Kinetic) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Server/Client Support Team, which is subscribed to krb5 in Ubuntu. Matching subscriptions: Ubuntu Server/Client Support Team https://bugs.launchpad.net/bugs/1981697 Title: KDC: weak crypto in default settings To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/krb5/+bug/1981697/+subscriptions -- Mailing list: https://launchpad.net/~enterprise-support Post to : enterprise-support@lists.launchpad.net Unsubscribe : https://launchpad.net/~enterprise-support More help : https://help.launchpad.net/ListHelp