CVE-2001-0414: Buffer overflow in ntpd ntp daemon 4.0.99k and earlier (aka xntpd and xntp3) allows remote attackers to cau...

Security readout for executives and security teams

This is an old remotely reachable buffer overflow in the NTP daemon. A vulnerable time service could be crashed, and the CVE says arbitrary command execution may be possible. Business urgency depends on whether legacy ntpd, xntpd, or xntp3 systems remain in use or exposed. Likely exposure is limited to legacy Unix/Linux/BSD systems still running vulnerable NTP packages. Internet-facing or broadly reachable NTP services are higher risk. Modern systems are unlikely affected unless old packages or appliances remain unmanaged. Treat this as a legacy-risk cleanup item with high impact if found exposed. It should not displace urgent KEV work, but any vulnerable internet-facing time service deserves prompt remediation or isolation. Mitigation focus: Inventory hosts running ntpd, xntpd, or xntp3.; Check vendor advisories for fixed NTP packages.; Replace ntpd 4.0.99k or earlier where found..

Prepared

Jul 12, 2026, 01:08 UTC (UTC+00:00)

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