CVE-2024-56946

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-56946
Denial of service in DNS-over-QUIC in Technitium DNS Server <= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-over-QUIC connections by triggering unhandled exceptions in listener threads.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-133 Release Notes
https://github.com/TechnitiumSoftware/DnsServer/commit/a7d1cfb6e836798ef9171677bf8919cf99d9dcb0 Patch
Configurations

Configuration 1 (hide)

cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:*
History

24 Jun 2025, 17:16

Type Values Removed Values Added
First Time Technitium
Technitium dnsserver
CPE cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:*
References () https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-133 - () https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-133 - Release Notes
References () https://github.com/TechnitiumSoftware/DnsServer/commit/a7d1cfb6e836798ef9171677bf8919cf99d9dcb0 - () https://github.com/TechnitiumSoftware/DnsServer/commit/a7d1cfb6e836798ef9171677bf8919cf99d9dcb0 - Patch

13 Mar 2025, 16:15

Type Values Removed Values Added
CWE CWE-248
Summary
  • (es) La denegación de servicio en DNS-over-QUIC in Technitium DNS Server &lt;= v13.2.2 permite a atacantes remotos detener de forma permanente que el servidor acepte nuevas conexiones DNS sobre QUIC activando excepciones no controladas en los subprocesos de escucha.

03 Feb 2025, 20:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-03 20:15

Updated : 2025-06-24 17:16

NVD link : CVE-2024-56946

Mitre link : CVE-2024-56946

CVE.ORG link : CVE-2024-56946

JSON object : View

Products Affected

technitium

  • dnsserver
CWE
CWE-248

Uncaught Exception