PT-2022-25268
CVE-2022-40188
·
Published
2022-09-23
·
Updated
2026-10-31
Description by
CVSS 3.1
7.5
HighMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Knot Resolver versions prior to 5.5.3
Description
The issue allows remote attackers to cause a denial of service due to algorithmic complexity, resulting in CPU consumption. This occurs when an authoritative server returns large NS sets or address sets during an attack.
Recommendations
For versions prior to 5.5.3, update to version 5.5.3 or later to resolve the issue.
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