CVE-2026-42255

HIGH

Technitium DNS Server <15.0 - DoS

Title source: llm
STIX 2.1

Description

Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.

References (1)

Scores

CVSS v3 7.2
EPSS 0.0003
EPSS Percentile 9.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-684
Status published
Products (2)
technitium/dnsserver < 15.0
Technitium/DnsServer < 15.0.0
Published Apr 26, 2026
Tracked Since Apr 26, 2026