CVE-2026-40719

7.5 HIGH

Published: April 15, 2026 Modified: April 17, 2026

Description

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

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0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

Source: cve@mitre.org

Source: cve@mitre.org

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

3 reference(s) from NVD

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.0%

4th percentile

Exploitation Status

Not in CISA KEV

CWE-670