VulnerabilityAwaiting Analysis
CVE-2026-18321
Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd
MEDIUM 4.7EPSS 0.08%
Does this matter?
Lower severity and a low EPSS score (0.08%). Track it; it rarely justifies an emergency change on its own.
Description
Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd
- CVSS 3.1
- 4.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.08% probability · 0th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Source
- cve@gitlab.com
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.