CVE-2026-40719

HIGH

MaraDNS 3.5.0036 - DoS

Title source: llm
STIX 2.1

Description

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

References (2)

Scores

CVSS v3 7.5
EPSS 0.0002
EPSS Percentile 4.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-670
Status published
Products (1)
MaraDNS/MaraDNS 3.5.0036
Published Apr 15, 2026
Tracked Since Apr 15, 2026