CVE-2025-59030

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

Published Dec 9, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6077-1 pdns-recursor security update
History
Type Values Removed Values Added
CPEs cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Powerdns
Powerdns recursor
Vendors & Products Powerdns
Powerdns recursor
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.
Title Insufficient validation of incoming notifies over TCP can lead to a denial of service in Recursor
Weaknesses CWE-276
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OX
Published
Updated
Dec 9, 2025, 2:30 PM
Reserved
Sep 8, 2025, 2:22 PM
Status
Analyzed
Published
Dec 9, 2025, 4:17 PM
Modified
Oct 7, 2026, 8:10 PM