๐Ÿ” CVE Alert

CVE-2026-42255

HIGH 7.2
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-684
Vendor technitium
Product dnsserver
Published Apr 26, 2026
Last Updated Apr 26, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
Low

Affected Versions

Technitium / DnsServer
0 < 15.0.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#technitium-dns-server-change-log