VULNERABILITY INTELLIGENCE

CVE-2022-40188

CVSS score7.5 HIGH
EPSS probability1.95%
CISA KEVNot currently listed
Published2022-09-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-407
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-407

Primary references