Back to search
CVE-2026-33258
Published: Apr 22, 2026
Modified: Apr 22, 2026
PUBLISHED
CVSS v3.1
5.3
MEDIUM
Description
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
| Vendor | Product | Versions |
|---|---|---|
PowerDNS | Recursor | affected 5.4.0 - < 5.4.1affected 5.3.0 - < 5.3.6affected 5.2.0 - < 5.2.9 |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now