CVE-2025-50334
Full vulnerability record from the local CVENow database.
Description
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-01-08 17:15:47.603000
Last modified
2026-11-04 22:10:00.210000
View original CVE JSON
{
"id": "CVE-2025-50334",
"sourceIdentifier": "[email protected]",
"published": "2026-01-08T17:15:47.603",
"lastModified": "2026-11-04T22:10:00.210",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component"
},
{
"lang": "es",
"value": "Un problema en Technitium DNS Server v.13.5 permite a un atacante remoto causar una denegación de servicio a través del componente de limitación de tasa."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"affectedData": [
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Dev Spaces",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "devspaces/traefik-rhel9",
"cpes": [
"cpe:/a:redhat:openshift_devspaces:3"
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-01-08T18:44:33.010131Z",
"id": "CVE-2025-50334",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-770"
}
]
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-770"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:*",
"versionEndExcluding": "14.0",
"matchCriteriaId": "92E46DA3-4482-409E-9910-C450D404581D"
}
]
}
]
}
],
"references": [
{
"url": "https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334",
"source": "[email protected]",
"tags": [
"Exploit",
"Third Party Advisory"
]
},
{
"url": "https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md",
"source": "[email protected]",
"tags": [
"Release Notes"
]
},
{
"url": "https://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs",
"source": "[email protected]",
"tags": [
"Product"
]
},
{
"url": "https://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e",
"source": "[email protected]",
"tags": [
"Patch"
]
},
{
"url": "https://access.redhat.com/security/cve/CVE-2025-50334",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428058",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-50334.json",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
}
]
}