cvedb.io
CVE-2026-27853
MEDIUM · CVSS 5.9
EPSS exploitation probability: 0%
Published 2026-03-31T12:16:27.917 · Last modified 2026-06-17T10:27:47.753

Summary

An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the DNSQuestion:changeName or DNSResponse:changeName methods in custom Lua code. In some cases the rewritten packet might become larger than the initial response and even exceed 65535 bytes, potentially leading to a crash resulting in denial of service.

Affected products

powerdns — dnsdist

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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.