CVE-2000-0550
Kerberos 4 KDC program improperly frees memory twice (aka "double-free"), which allows remote attackers to cause a denial of service.
Date published : 2000-10-13
http://www.securityfocus.com/bid/1465
http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html