Updated krb5 packages fix security vulnerability:

The kadm5_randkey_principal_3 function in lib/kadm5/srv/svr_principal.c
in kadmind in MIT Kerberos 5 (aka krb5) before 1.13 sends old keys
in a response to a -randkey -keepold request, which allows remote
authenticated users to forge tickets by leveraging administrative
access (CVE-2014-5351).