Security Advisory

CVE-2023-26249

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-02-21 00:00:00

Last updated 2025-03-14 18:32:24

Assigner mitre

State PUBLISHED

Description

Knot Resolver before 5.6.0 enables attackers to consume its resources, launching amplification attacks and potentially causing a denial of service. Specifically, a single client query may lead to a hundred TCP connection attempts if a DNS server closes connections without providing a response.

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