Wikimedia Bugzilla is closed!

When you log in into Bugzilla while using IPv6 and disable the checkbox "Restrict session to this IP address", Bugzilla crashes with:

   1.
      Undef to trick_taint at Bugzilla/Util.pm line 67
   2.
              Bugzilla::Util::trick_taint('undef') called at Bugzilla/Auth/Persist/Cookie.pm line 61
   3.
              Bugzilla::Auth::Persist::Cookie::persist_login('Bugzilla::Auth::Persist::Cookie=ARRAY(0x8c33190)', 'Bugzilla::User=HASH(0x8cdc404)') called at Bugzilla/Auth.pm line 147
   4.
              Bugzilla::Auth::_handle_login_result('Bugzilla::Auth=ARRAY(0x8c08164)', 'HASH(0x8cdc134)', 2) called at Bugzilla/Auth.pm line 92
   5.
              Bugzilla::Auth::login('Bugzilla::Auth=ARRAY(0x8c08164)', 2) called at Bugzilla.pm line 218
   6.
              Bugzilla::login('Bugzilla', 0) called at /srv/org/wikimedia/bugzilla/index.cgi line 40