The remote host is missing an update to the system as announced in the referenced advisory.
The following package is affected: krb5
CVE-2010-0629 Use-after-free vulnerability in kadmin/server/server_stubs.c in kadmind in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote authenticated users to cause a denial of service (daemon crash) via a request from a kadmin client that sends an invalid API version number.
Solution: Update your system with the appropriate patches or software upgrades.