CVE-2026-36478
High
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
SeverityHigh
CVSS7.5
Exploit probability—
ProductDNS Server
PublishedJun 26, 2026
First seenJun 26, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Technitium DNS Server | v ≤ 14.3 | — |
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