CVE-2024-56946
mediumpriority · track · 0EPSS 0.004 · 39 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-133cnnvd
- https://github.com/TechnitiumSoftware/DnsServer/commit/a7d1cfb6e836798ef9171677bf8919cf99d9dcb0cnnvd
- https://github.com/TechnitiumSoftware/DnsServer/releases/tag/v13.4.1Patchcnnvd
- https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-133enisa_euvd
- https://github.com/TechnitiumSoftware/DnsServer/commit/a7d1cfb6e836798ef9171677bf8919cf99d9dcb0enisa_euvd
- https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-133Release Notesnvd
- https://github.com/TechnitiumSoftware/DnsServer/commit/a7d1cfb6e836798ef9171677bf8919cf99d9dcb0Patchnvd
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