CVE-2022-48256

HIGH

Technitium DNS Server < 10.0 - Denial of Service via CNAME Loop

Title source: llm

Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME loop causes an answer to contain hundreds of records.

Core 1

Core References

Release Notes, Third Party Advisory

CVSS v3 7.5

EPSS 0.0069

EPSS Percentile 47.8%

Attack Vector NETWORK

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

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

CWE

CWE-835

Status published

Products (1)

technitium/dns_server < 10.0

Published Jan 13, 2023

Tracked Since Feb 18, 2026