High severity7.5NVD Advisory· Published Sep 23, 2022· Updated Jun 17, 2026
CVE-2022-40188
CVE-2022-40188
Description
Knot Resolver before 5.5.3 allows remote attackers to cause a denial of service (CPU consumption) because of algorithmic complexity. During an attack, an authoritative server must return large NS sets or address sets.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Knot Resolver/Knot Resolverdescription
- Range: <5.5.3
Patches
Vulnerability mechanics
References
5- gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1343nvdRelease NotesThird Party Advisory
- lists.debian.org/debian-lts-announce/2022/10/msg00008.htmlnvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIMDNIUI7GTUEKIBBYYW7OCTJQFPDNXL/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2VE5K3VDUHJOIA2IGT3G5R76IBADMNE/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XO6LIVQS62MI5GG4OVYB5RHVZMYNHAHG/nvd
News mentions
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