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CVE-2024-56946

Date: February 2, 2025

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.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2024-56946
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-133
https://github.com/TechnitiumSoftware/DnsServer/commit/a7d1cfb6e836798ef9171677bf8919cf99d9dcb0
https://www.mend.io/vulnerability-database/CVE-2024-56946

Severity Score

Weakness Type (CWE)

Uncaught Exception

CWE-248

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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