CVE-2026-40719_CVE-2026-40719

7.5 / 10

HIGH

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

Description

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

Basic Information

ID CVE-2026-40719

Source mitre

Published Apr 15, 2026 at 06:23

Modified Apr 15, 2026 at 06:37

Affected Product

Vendor MaraDNS

Product MaraDNS

Version 3.5.0036

Affected Versions MaraDNS MaraDNS 3.5.0036

CWE Classification

CWE-670

References

{
    "lastseen": "",
    "description": "Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.",
    "published": "2026-04-15T06:23:09.912Z",
    "modified": "2026-04-15T06:37:29.631Z",
    "type": "cve",
    "title": "CVE-2026-40719",
    "source": "mitre",
    "references": "https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj\nhttps://maradns.samiam.org/changelog.html",
    "id": "CVE-2026-40719",
    "bulletinFamily": "",
    "cwe": [
        "CWE-670"
    ],
    "cvelist": null,
    "sourceData": "MaraDNS MaraDNS 3.5.0036",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "MaraDNS",
    "version": "3.5.0036",
    "vendor": "MaraDNS",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}