| Package | Affected versions | Patched versions |
|---|---|---|
| kerberos | = 5_1.13 | |
| kerberos 5 | = 1.12= 1.12.1= 1.12.2 |
plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by creating a database entry for a keyless principal, as demonstrated by a kadmin "add_principal -nokey" or "purgekeys -all" command.
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