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Description

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

PUBLISHED Reserved 2026-04-15 | Published 2026-04-15 | Updated 2026-04-15 | Assigner mitre




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-670 Always-Incorrect Control Flow Implementation

Product status

Default status
unknown

3.5.0036 (custom)
affected

References

github.com/...araDNS/security/advisories/GHSA-cfc6-vhrv-62cj exploit

github.com/...araDNS/security/advisories/GHSA-cfc6-vhrv-62cj

maradns.samiam.org/changelog.html

cve.org (CVE-2026-40719)

nvd.nist.gov (CVE-2026-40719)

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