CVE-2026-36478: n/a
An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of service via the DnsServerApp.exe, DnsServerApp.dll, TechnitiumLibrary.Net/Dns/DnsClient.cs components
AI Analysis
Technical Summary
CVE-2026-36478 describes a denial of service vulnerability in Technitium DNS Server versions up to and including 14.3. The flaw resides in multiple components of the DNS server application, enabling a remote attacker to exhaust resources and disrupt service availability. The vulnerability is classified under CWE-400, indicating uncontrolled resource consumption. The CVSS v3.1 base score is 7.5, reflecting high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation results in denial of service, causing the affected DNS server to become unavailable or unresponsive. There is no confidentiality or integrity impact reported. The disruption can affect DNS resolution services relying on the affected server.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider limiting exposure of the affected DNS server to untrusted networks and monitor for unusual resource consumption patterns. No official mitigation or temporary fix is currently documented.
CVE-2026-36478: n/a
Description
An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of service via the DnsServerApp.exe, DnsServerApp.dll, TechnitiumLibrary.Net/Dns/DnsClient.cs components
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-36478 describes a denial of service vulnerability in Technitium DNS Server versions up to and including 14.3. The flaw resides in multiple components of the DNS server application, enabling a remote attacker to exhaust resources and disrupt service availability. The vulnerability is classified under CWE-400, indicating uncontrolled resource consumption. The CVSS v3.1 base score is 7.5, reflecting high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation results in denial of service, causing the affected DNS server to become unavailable or unresponsive. There is no confidentiality or integrity impact reported. The disruption can affect DNS resolution services relying on the affected server.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider limiting exposure of the affected DNS server to untrusted networks and monitor for unusual resource consumption patterns. No official mitigation or temporary fix is currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3eed5627e9c79719f40528
Added to database: 06/26/2026, 21:21:26 UTC
Last enriched: 07/11/2026, 09:17:53 UTC
Last updated: 08/09/2026, 12:41:10 UTC
Views: 89
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