Multiple Vendor Kerberos 4 Temporary File Race Condition Vulnerability
Upgrade to KTH Kerberos 4 version 1.0.4. NetBSD has released a patch for NetBSD 1.5.
MIT has released krb5-1.2.2 which incorporates a fix for this. A patch for the krb4 library is also available if upgrading to this version is not feasible.
KTH Kerberos 4 1.0
KTH Kerberos 4 1.0.3
MIT Kerberos 5 1.2.1