CVE-2022-40188

Knot Resolver before 5.5.3 allows remote attackers to cause a denial of service (CPU consumption) because of algorithmic complexity

High · published September 23, 2022

CVSS v3.1
7.5
EPSS
2%
Percentile
80.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01946 · 80.0th percentile
Published
2022-09-23T00:00Z
EPSS history
Timeline
  • 23 SEP 00:00Z
    Knot Resolver before 5.5.3 allows remote attackers to cause a denial of service (CPU consumption) because of algorithmic complexity
    cvelistv5