It seems that this has already been reported upstream in https://gitlab.isc.org/isc-projects/bind9/-/issues/1997 and was fixed in 9.16.6.
A CVE number was assigned as well, CVE-2020-8621 https://kb.isc.org/docs/cve-2020-8621. Please pull the fix into Focal's BIND. ** Bug watch added: gitlab.isc.org/isc-projects/bind9/-/issues #1997 https://gitlab.isc.org/isc-projects/bind9/-/issues/1997 ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-8621 ** Information type changed from Public to Public Security -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1896740 Title: BIND crashes with failed assertion INSIST(dns_name_issubdomain(&fctx->name, &fctx->domain)) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/1896740/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
