CVE-2012-1016: The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementatio...

Security readout for executives and security teams

This flaw can let a remote attacker crash an MIT Kerberos KDC handling PKINIT, interrupting authentication. The described impact is denial of service, not data theft or code execution. It affects MIT Kerberos 5 before 1.10.4 according to the CVE description. Exposure is most likely where MIT Kerberos 5 KDCs before 1.10.4 are deployed and PKINIT is enabled or reachable. The bundle does not provide CPEs, platform packages, or downstream vendor advisories. Treat as a service availability risk to identity infrastructure. Patch or retire affected KDCs during normal vulnerability remediation unless the organization depends heavily on exposed PKINIT-enabled Kerberos authentication. Mitigation focus: Upgrade MIT Kerberos 5 KDC deployments to version 1.10.4 or later.; Check MIT and operating system vendor advisories for package-specific fixed versions.; Prioritize authentication infrastructure where KDC downtime would block business operations..

Prepared

Jun 15, 2026, 04:24 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.