Dashboard / CVE-2026-33601

CVE-2026-33601

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 55/100
Published: 2026-04-22 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: High
UI: None
S: Unchanged
C: None
I: None
A: High

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
powerdns recursor 5.2.0 – 5.2.9
powerdns recursor 5.4.0

References & Advisories (1)

Bug Bounty Relevance

55 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

4.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.51%
Raw Score 0.005120
Percentile 43.6%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00512
2026-10-28
0.00512

Intelligence Sources

nvd ref →

External Links