vulnerability
Ubuntu: USN-6225-1 (CVE-2022-40188): Knot Resolver vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Sep 23, 2022 | Jul 14, 2023 | Apr 16, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Sep 23, 2022
Added
Jul 14, 2023
Modified
Apr 16, 2026
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.
Solutions
ubuntu-pro-upgrade-knot-resolverubuntu-pro-upgrade-libkres-devubuntu-pro-upgrade-libkres6ubuntu-upgrade-knot-resolver
Rapid7 Labs
2026 Global Threat Landscape Report
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