The remote host is missing an update to the system as announced in the referenced advisory.
The following package is affected: krb5
CVE-2004-0644 The asn1buf_skiptail function in the ASN.1 decoder library for MIT Kerberos 5 (krb5) 1.2.2 through 1.3.4 allows remote attackers to cause a denial of service (infinite loop) via a certain BER encoding.
Solution: Update your system with the appropriate patches or software upgrades.