CVE-2026-33600 — MEDIUM (4.4)

Q: What is CVE-2026-33600?

CVE-2026-33600 is a vulnerability with a CVSS score of 4.4 (MEDIUM). An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

Q: How severe is CVE-2026-33600?

CVE-2026-33600 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-33600?

Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Recursor.

Vulnerability Description

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

CVSS Score

4.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Powerdns	Recursor	>= 5.2.0, < 5.2.9

Related Weaknesses (CWE)

CWE-476

References

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdnVendor AdvisoryBroken Link

FAQ

What is CVE-2026-33600?

CVE-2026-33600 is a vulnerability with a CVSS score of 4.4 (MEDIUM). An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

How severe is CVE-2026-33600?

CVE-2026-33600 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-33600?

Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Recursor.