CVE-2026-33601
Last modified
CVE-2026-33601 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.
Description
If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Recursor | >= 5.2.0, < 5.2.9 |
| Powerdns | Recursor | >= 5.3.0, < 5.3.6 |
| Powerdns | Recursor | 5.4.0 |
References
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.htmlBroken Link, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Scan your code nowSource: NVD / NIST