CVE-2026-33259

CVSS Score & Metrics

Base Score

5.0 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

April 22, 2026

Last Modified

April 27, 2026

CWE ID

CWE-416

Source

NVD

Vendor

PowerDNS

Product

Recursor

External References

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

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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