datAInsights CVE Current

CVE-2026-18321 — Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in ntpsec

Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd

Published: 2026-07-31 · CVSS: 4.7 · CVSS 3.1

Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7