CVE-2026-40719
7.5
HIGH
CVSS 3.1
EPSS 0.02%
Description
Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.
How to fix CVE-2026-40719
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/maradns—no fix listed
Is CVE-2026-40719 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |