CVE-2023-26437

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CVSS 3.1

5.3 medium

EPSS

<1%p46

Published

Apr 4, 2023 (Apr 4, 2023)

Modified

Jun 17, 2026

Description

Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.

Vendors: powerdns
Products: recursor
Weakness: CWE-400
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (0.6%)

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