CVE-2023-26437 LOW

CVE-2023-26437: Deterred spoofing attempts can lead to authoritative servers being marked unavailable

Vendor Powerdns
Product Recursor
Published April 4, 2023
Last update February 13, 2025

CVSS base score

3.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 4, 2023 CVE published
February 13, 2025 Record updated