If kadmind were used with an LDAP back end for the KDC database, a remote, authenticated attacker could crash kadmind by inserting a principal entry with no long term keys.
It is reported that versions prior to 1.12 are not affected.
Not vulnerable. This issue does not affect the version of krb5 package as shipped with Red Hat Enterprise Linux 5, 6 and 7.
Created krb5 tracking bugs for this issue:
Affects: fedora-21 [bug 1176002]