Medium
knot-resolver — security advisory
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
- Products
- knot-resolver
- Affected versions
- 1.0.0~beta2-123-g6134920-1, 1.0.0~beta3-1, 1.0.0~beta3-1ubuntu0.1~esm1, 1.3.3-1, 1.5.0-4, 1.5.1-1, 1.5.2-1, 2.0.0-3, 2.1.0-1, 2.1.0-2, 2.1.1-1, 2.1.1-1ubuntu0.1~esm2, 3.2.1-3, 3.2.1-3ubuntu1, 3.2.1-3ubuntu2, 3.2.1-3ubuntu2.1, 3.2.1-3ubuntu2.2, 5.3.1-1, 5.4.2-1, 5.4.3-1, 5.4.4-1, 5.4.4-1ubuntu0.1~esm1, 5.6.0-1.1, 5.7.0-1build1, 5.7.1-1, 5.7.2-1, 5.7.4-2build1, 5.7.5-1, 6.0.15-4build1, 6.0.17-1, 6.2.0-2, 6.3.0-1, 6.4.0-1, 6.4.1-1, 6.4.2-1
- Fixed versions
- Not specified
- CVEs
- CVE-2022-32983
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:38 UTC · Revision 1
Source evidence
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
osv:UBUNTU-CVE-2022-32983
knot-resolver
Fixed versions: Not specified
knot-resolver
Fixed versions: Not specified
knot-resolver
Fixed versions: Not specified
knot-resolver
Fixed versions: Not specified
knot-resolver
Fixed versions: Not specified
knot-resolver
Fixed versions: Not specified
knot-resolver
Fixed versions: Not specified
knot-resolver
Fixed versions: Not specified
Complete source record
{
"id": "26e0335b6099f0c9ac81ed420923b66b0280975934a0e226edcd9ba191e12888",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2022-32983",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2022-32983",
"summary": "Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.",
"evidence": "osv:UBUNTU-CVE-2022-32983",
"products": [
{
"name": {
"value": "knot-resolver",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.0.0~beta2-123-g6134920-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.0.0~beta3-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.0.0~beta3-1ubuntu0.1~esm1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "knot-resolver",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.3-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.0-4",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.1-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.2-1",
"evidence": "/affected/1/versions"
},
{
"value": "2.0.0-3",
"evidence": "/affected/1/versions"
},
{
"value": "2.1.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "2.1.0-2",
"evidence": "/affected/1/versions"
},
{
"value": "2.1.1-1",
"evidence": "/affected/1/versions"
},
{
"value": "2.1.1-1ubuntu0.1~esm2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "knot-resolver",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.2.1-3",
"evidence": "/affected/2/versions"
},
{
"value": "3.2.1-3ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "3.2.1-3ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "3.2.1-3ubuntu2.1",
"evidence": "/affected/2/versions"
},
{
"value": "3.2.1-3ubuntu2.2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "knot-resolver",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.3.1-1",
"evidence": "/affected/3/versions"
},
{
"value": "5.4.2-1",
"evidence": "/affected/3/versions"
},
{
"value": "5.4.3-1",
"evidence": "/affected/3/versions"
},
{
"value": "5.4.4-1",
"evidence": "/affected/3/versions"
},
{
"value": "5.4.4-1ubuntu0.1~esm1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "knot-resolver",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.6.0-1.1",
"evidence": "/affected/4/versions"
},
{
"value": "5.7.0-1build1",
"evidence": "/affected/4/versions"
},
{
"value": "5.7.1-1",
"evidence": "/affected/4/versions"
},
{
"value": "5.7.2-1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "knot-resolver",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.7.4-2build1",
"evidence": "/affected/5/versions"
},
{
"value": "5.7.5-1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "knot-resolver",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "6.2.0-2",
"evidence": "/affected/6/versions"
},
{
"value": "6.3.0-1",
"evidence": "/affected/6/versions"
},
{
"value": "6.4.0-1",
"evidence": "/affected/6/versions"
},
{
"value": "6.4.1-1",
"evidence": "/affected/6/versions"
},
{
"value": "6.4.2-1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "knot-resolver",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.7.5-1",
"evidence": "/affected/7/versions"
},
{
"value": "6.0.15-4build1",
"evidence": "/affected/7/versions"
},
{
"value": "6.0.17-1",
"evidence": "/affected/7/versions"
},
{
"value": "6.2.0-2",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2022-32983",
"aliases": [
"UBUNTU-CVE-2022-32983"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "knot-resolver",
"purl": "pkg:deb/ubuntu/knot-resolver?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"1.0.0~beta2-123-g6134920-1",
"1.0.0~beta3-1",
"1.0.0~beta3-1ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-32983.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "knot-resolver",
"binary_version": "1.0.0~beta3-1ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "knot-resolver",
"purl": "pkg:deb/ubuntu/knot-resolver?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"1.3.3-1",
"1.5.0-4",
"1.5.1-1",
"1.5.2-1",
"2.0.0-3",
"2.1.0-1",
"2.1.0-2",
"2.1.1-1",
"2.1.1-1ubuntu0.1~esm2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-32983.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "knot-resolver",
"binary_version": "2.1.1-1ubuntu0.1~esm2"
},
{
"binary_name": "knot-resolver-module-http",
"binary_version": "2.1.1-1ubuntu0.1~esm2"
},
{
"binary_name": "libkres6",
"binary_version": "2.1.1-1ubuntu0.1~esm2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "knot-resolver",
"purl": "pkg:deb/ubuntu/knot-resolver?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"3.2.1-3",
"3.2.1-3ubuntu1",
"3.2.1-3ubuntu2",
"3.2.1-3ubuntu2.1",
"3.2.1-3ubuntu2.2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-32983.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "knot-resolver",
"binary_version": "3.2.1-3ubuntu2.2"
},
{
"binary_name": "knot-resolver-module-http",
"binary_version": "3.2.1-3ubuntu2.2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "knot-resolver",
"purl": "pkg:deb/ubuntu/knot-resolver?arch=source&distro=esm-apps%2Fjammy",
"ecosystem": "Ubuntu:Pro:22.04:LTS"
},
"versions": [
"5.3.1-1",
"5.4.2-1",
"5.4.3-1",
"5.4.4-1",
"5.4.4-1ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-32983.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "knot-resolver",
"binary_version": "5.4.4-1ubuntu0.1~esm1"
},
{
"binary_name": "knot-resolver-module-http",
"binary_version": "5.4.4-1ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "knot-resolver",
"purl": "pkg:deb/ubuntu/knot-resolver?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"5.6.0-1.1",
"5.7.0-1build1",
"5.7.1-1",
"5.7.2-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-32983.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "knot-resolver",
"binary_version": "5.7.2-1"
},
{
"binary_name": "knot-resolver-module-http",
"binary_version": "5.7.2-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "knot-resolver",
"purl": "pkg:deb/ubuntu/knot-resolver?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"5.7.4-2build1",
"5.7.5-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-32983.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "knot-resolver",
"binary_version": "5.7.5-1"
},
{
"binary_name": "knot-resolver-module-http",
"binary_version": "5.7.5-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "knot-resolver",
"purl": "pkg:deb/ubuntu/knot-resolver?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"6.2.0-2",
"6.3.0-1",
"6.4.0-1",
"6.4.1-1",
"6.4.2-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-32983.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "knot-resolver6",
"binary_version": "6.4.2-1"
},
{
"binary_name": "knot-resolver6-module-dnstap",
"binary_version": "6.4.2-1"
},
{
"binary_name": "knot-resolver6-module-http",
"binary_version": "6.4.2-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "knot-resolver",
"purl": "pkg:deb/ubuntu/knot-resolver?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"5.7.5-1",
"6.0.15-4build1",
"6.0.17-1",
"6.2.0-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-32983.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "knot-resolver6",
"binary_version": "6.2.0-2"
},
{
"binary_name": "knot-resolver6-module-dnstap",
"binary_version": "6.2.0-2"
},
{
"binary_name": "knot-resolver6-module-http",
"binary_version": "6.2.0-2"
}
]
}
}
],
"modified": "2026-10-17T12:57:15.752208871Z",
"provider": "osv",
"upstream": [
"CVE-2022-32983"
],
"references": [
"https://ubuntu.com/security/CVE-2022-32983",
"https://knot-resolver.readthedocs.io/en/stable/modules-policy.html#forwarding",
"https://github.com/CZ-NIC/knot-resolver/commit/ccb9d9794db5eb757c33becf65cb1cf48ecfd968",
"https://www.cve.org/CVERecord?id=CVE-2022-32983"
]
},
"related_cves": [
{
"value": "CVE-2022-32983",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 357053,
"published_at": "2022-06-20T16:15:00+00:00"
}