Update Kerberos on Tiger Server?

I am going through PCI Compliance and I have a High Vulnerability on my server: Kerberos 5 Multiple Vulnerabilities The remote host is running Kerberos 5. There are multiple flaws which affect this product. Service: - CVE: CVE-2004-0642, CVE-2003-0139, CVE-2003-0059, CVE-2004-0772, CVE-2003-0072, CVE-2003-0028, CVE-2002-0036, CVE-2003-0082, CVE-2004-0643, CVE-2003-0060, CVE-2003-0138, CVE-2004-0644 NVD: CVE-2004-0642, CVE-2003-0139, CVE-2003-0059, CVE-2004-0772, CVE-2003-0072, CVE-2003-0028, CVE-2002-0036, CVE-2003-0082, CVE-2004-0643, CVE-2003-0060, CVE-2003-0138, CVE-2004-0644 CVSSv2: AV:N/AC:L/Au:N/C:P/I:P/A:P (Base Score:7.50) The remediation action is: Upgrade to a current and secure version of Kerberos. Anyone have any ideas on what I need to do? Current server version is: 10.4.11 Any help will be greatly appreciated!