CVE-2022-40188

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Source
https://cve.org/CVERecord?id=CVE-2022-40188
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-40188.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-40188
Downstream
Published
2022-09-23T00:00:00Z
Modified
2026-07-08T06:03:21.232477060Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "DESCRIPTION",
            "extracted_events": [
                {
                    "fixed": "5.5.3"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/40xxx/CVE-2022-40188.json",
    "cna_assigner": "mitre"
}
References

Affected packages

Git / github.com/cz-nic/knot-resolver

Affected ranges

Type
GIT
Repo
https://github.com/cz-nic/knot-resolver
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
519080319a2c32b9248435b8cf546affd6f64a5e
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "5.5.3"
        }
    ]
}

Affected versions

v1.*
v1.0.0
v1.0.0-beta1
v1.0.0-beta2
v1.0.0-beta3
v1.1.0
v1.1.1
v1.2.0
v1.2.0-rc1
v1.2.0-rc2
v1.2.0-rc3
v1.2.1
v1.2.6
v1.3.0
v1.3.1
v1.3.2
v1.3.3
v1.4.0
v1.5.0
v1.5.1
v2.*
v2.0.0
v2.1.0
v2.1.1
v2.2.0
v2.3.0
v2.4.0
v3.*
v3.0.0
v3.1.0
v3.2.0
v3.2.1
v4.*
v4.0.0
v4.1.0
v4.2.0
v4.2.2
v4.3.0
v5.*
v5.0.0
v5.0.1
v5.1.0
v5.1.1
v5.1.2
v5.1.3
v5.2.0
v5.2.1
v5.3.0
v5.3.1
v5.3.2
v5.4.0
v5.4.1
v5.4.2
v5.4.3
v5.5.0
v5.5.1
v5.5.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-40188.json"