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.
Published: 2026-05-19
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 19 May 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Technitium
Technitium dns Server
Vendors & Products Technitium
Technitium dns Server

Tue, 19 May 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 19 May 2026 14:30:00 +0000

Type Values Removed Values Added
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.
Title Technitium DNS Server excessive DNSSEC requests
Weaknesses CWE-405
CWE-406
CWE-770
References
Metrics cvssV3_1

{'score': 5.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L'}


Subscriptions

Technitium Dns Server
cve-icon MITRE

Status: PUBLISHED

Assigner: cisa-cg

Published:

Updated: 2026-05-19T14:57:56.327Z

Reserved: 2026-05-12T18:08:43.759Z

Link: CVE-2026-45557

cve-icon Vulnrichment

Updated: 2026-05-19T14:57:51.499Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-19T15:16:31.640

Modified: 2026-06-17T10:52:12.100

Link: CVE-2026-45557

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-19T15:45:08Z

Weaknesses