CVE-2025-59030

Insufficient validation of incoming notifies over TCP can lead to a denial of service in Recursor

State: Published
Severity: 7.5 High
Published: Dec 9, 2025
Updated: Dec 9, 2025
Reserved: Sep 8, 2025

Description

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

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	OX

Weaknesses

CWE-276 Incorrect Default Permissions

Affected Products

Product	Versions
RecursorPowerDNS	5.3.0 to before 5.3.3Affected 5.2.0 to before 5.2.7Affected 5.1.0 to before 5.1.9Affected

References

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-08.html

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