cvedb.io
CVE-2023-26249
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2023-02-21T02:15:10.293 · Last modified 2026-06-17T05:42:54.013

Summary

Knot Resolver before 5.6.0 enables attackers to consume its resources, launching amplification attacks and potentially causing a denial of service. Specifically, a single client query may lead to a hundred TCP connection attempts if a DNS server closes connections without providing a response.

Affected products

nic — knot_resolver

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.