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CVE-2026-45557

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CVE-2026-45557

Published: May 19, 2026

Modified: May 19, 2026

PUBLISHED

CVSS v3.1

5.8

MEDIUM

Description

Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0.

VendorProductVersions

Technitium

DNS Server

affected
0 - < 15.0
unaffected
15.0

Weaknesses (CWE)

CWE-405
CWE-406
CWE-770

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

Low

References

url
patch

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