CVE-2026-40719 HIGH

CVE-2026-40719

Vendor Maradns
Product MaraDNS
Weakness CWE-670
Published April 15, 2026
Last update April 15, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.

Key dates

02Disclosure timeline

April 15, 2026 CVE published
April 15, 2026 Record updated