CVE-2026-33610 MEDIUM

CVE-2026-33610: Possible file descriptor exhaustion in forward-dnsupdate

Vendor Powerdns
Product Authoritative
Published April 22, 2026
Last update April 22, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.

Key dates

02Disclosure timeline

April 22, 2026 CVE published
April 22, 2026 Record updated