VDB

CVE-2026-18321

CVE-2026-18321 PUBLISHED CVSS 4.7 MEDIUM

Reported by GitLab · Published July 31, 2026

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

Risk Scores

CVSS 3.1
4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
NTPsecntpsec0
alpinentpsec0, 0, 0
NTPsecntpsec0

Timeline

  • Jul 31, 2026 CVE Published
  • Aug 1, 2026 Coalition ESS Score
  • Aug 2, 2026 EPSS Score
  • Aug 3, 2026 Security Advisory

References

Open in Interactive Console →
$ Console Community · 100/wk Open console ›