Dashboard / CVE-2026-33258

CVE-2026-33258

HIGH
MEDIUM Priority: 0.04 BB Relevance: 75/100
Published: 2026-04-22 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
powerdns recursor 5.2.0 – 5.2.9
powerdns recursor 5.3.0 – 5.3.6
powerdns recursor 5.4.0

References & Advisories (1)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.58%
Raw Score 0.005830
Percentile 47.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00583
2026-10-28
0.00583

Intelligence Sources

nvd ref →

External Links