This update for krb5 fixes several issues. This security issue was fixed: - CVE-2017-11462: Prevent automatic security context deletion to prevent double-free These non-security issues were fixed: - Set rdns and dns_canonicalize_hostname to false in krb5.conf in order to improve client security in handling service principle names. - Prevent kadmind.service startup failure caused by absence of LDAP service. - Remove main package"s dependency on systemd