krb5: KDC denial of service vulnerabilities (MITKRB5-SA-2011-006)

The krb5ldaplockoutaudit function in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.8 through 1.8.4 and 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service assertion failure and daemon exit via unspecified vectors, related to the...