VULNERABILITY INTELLIGENCE
CVE-2026-33259
CVSS score5 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2026-04-22
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
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.
Weakness classification
- CWE-416: Use After Free
Primary references
- security@open-xchange.com — Broken Link, Vendor Advisory