PT-2026-35197 · Technitium · Dns Server

Published 2026-04-26 · Updated 2026-04-26 · CVE-2026-42255

X.com · Vulmonfeeds

CVSS v3.1

7.2

High

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L

CVE-2026-42255

DNS Traffic Amplification via Cyclic Name Server Delegation in Technitiu...

https://t.co/lrYG5ru5oQ

Vulnerability Notification: https://t.co/xhLrNnfyrO

Fix

Weakness Enumeration

CWE-684

Related Identifiers

CVE-2026-42255

Affected Products

Dns Server

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-42255 · Security Note
• https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#technitium-dns-server-change-log · Note
• https://twitter.com/VulmonFeeds/status/2048266561660629357 · Twitter Post