Buffer Overflow Affecting ntpsec package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ECHOLATEST-NTPSEC-18496112
- published1 Aug 2026
- disclosed31 Jul 2026
Introduced: 31 Jul 2026
NewCVE-2026-18321 (opens in a new tab)How to fix?
There is no fixed version for Echo:latest ntpsec.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ntpsec package and not the ntpsec package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd