CVE-2026-33259

5.0 MEDIUM

Published: April 22, 2026 Modified: April 27, 2026

Description

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider.

AI Explanation

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html

Source: security@open-xchange.com

Vendor Advisory Broken Link

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

5.0 / 10.0

EPSS (Exploit Probability)

0.0%

0th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-416

Affected Vendors

powerdns

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