CVE-2026-40719

State: Published
Severity: 7.5 High
Published: Apr 15, 2026
Updated: Apr 15, 2026
Reserved: Apr 15, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	mitre

Weaknesses

CWE-670 Always-Incorrect Control Flow Implementation

Affected Products

Product	Versions
MaraDNSMaraDNS	3.5.0036Affected

References

https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj
https://maradns.samiam.org/changelog.html

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