CVEvulnerability
CVE-2026-33259
5.0 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-22
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.0 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• powerdns recursor (>= 5.2.0 < 5.2.9)
• powerdns recursor (>= 5.3.0 < 5.3.6)
• powerdns recursor 5.4.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html Broken Link, Vendor Advisory