Name: CVE-2026-33259: Use After Free
Creator: Rapid7
Published: 2026-04-22T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-33259, CWE-416, CVSS 5, EPSS 0.00225

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.

CVSS Details

CVSS 3.1 Base Score: 5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade pdns-recursor	Apr 29, 2026	Apr 22, 2026
Debian	—	Upgrade pdns-recursor	Jul 23, 2026	Jul 23, 2026

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CVSS Details

Covered by Rapid7

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