CVE-2026-42255

medium

Description

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

References

https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#technitium-dns-server-change-log

Details

Source: Mitre, NVD

Published: 2026-04-26

Updated: 2026-04-29

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.00033