---
id: CVE-2025-59030
title: >-
  An attacker can trigger the removal of cached records by sending a NOTIFY
  query over TCP.
summary: >-
  An attacker can trigger the removal of cached records by sending a NOTIFY
  query over TCP.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-276
vendor: powerdns
product: recursor
affected:
  - 'recursor >= 5.1.0, < 5.1.9'
  - 'recursor >= 5.2.0, < 5.2.7'
  - 'recursor >= 5.3.0, < 5.3.3'
patched:
  - recursor 5.3.3
published: '2025-12-09'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:10:01.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59030'
references:
  - url: >-
      https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-08.html
    label: security@open-xchange.com
tags:
  - nvd
epss: 0.00585
epssPercentile: 0.46156
ingestedAt: '2026-10-07T20:46:46.798Z'
---

## Overview

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

## Affected

- `recursor >= 5.1.0, < 5.1.9`
- `recursor >= 5.2.0, < 5.2.7`
- `recursor >= 5.3.0, < 5.3.3`

## Remediation

Upgrade past the affected range:

- `recursor 5.3.3`