VIR Vulnerability Intelligence Relay

CVE-2026-42255

medium
Published 2026-04-26 · Modified 2026-04-29
CVSS v3
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v2
—
VIR risk
6.5

Description

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

Predictions

Exploit likelihood
75%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#technitium-dns-server-change-log

Application impact
VendorProductVersionsFixed
technitiumdnsserver{"endExcluding":"15.0"}15.0

References

CWEs

CWE-684

Verify integrity in audit chain (admin only). AS-IS.