CVE-2026-40719 | BDVDB-2026-327306 Detail

MaraDNSMaraDNS

Description#

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

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

No public exploit known

7.5 High

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 31.7.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

7.5 High

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

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).