# CVE-2026-40719

## Summary

- **CVE ID:** CVE-2026-40719
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-670
- **Published:** Apr 15, 2026
- **Last Modified:** 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.

## Affected Products

- MaraDNS — MaraDNS (3.5.0036)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.38%
- **EPSS Percentile:** 30.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._