CVE-2025-59030 HIGH

CVE-2025-59030: Insufficient validation of incoming notifies over TCP can lead to a denial of service in Recursor

Vendor Powerdns
Product Recursor
Weakness CWE-276
Published December 9, 2025
Last update December 9, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.

Key dates

02Disclosure timeline

December 9, 2025 CVE published
December 9, 2025 Record updated