HighFix available
pdns-recursor — security advisory
A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.
- Products
- pdns-recursor
- Affected versions
- Not specified
- Fixed versions
- 4.8.1-1
- CVEs
- CVE-2023-22617
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:45 UTC · Revision 1
Source evidence
A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.
osv:DEBIAN-CVE-2023-22617
pdns-recursor
Fixed versions: 4.8.1-1
pdns-recursor
Fixed versions: 4.8.1-1
pdns-recursor
Fixed versions: 4.8.1-1
Complete source record
{
"id": "2f1b5a05fb4d567cfb4d02bd56ccfa2c2fd5f3decac6d949bec104a8062310cf",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-22617",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-22617",
"summary": "A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.",
"evidence": "osv:DEBIAN-CVE-2023-22617",
"products": [
{
"name": {
"value": "pdns-recursor",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.8.1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pdns-recursor",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.8.1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pdns-recursor",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.8.1-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-22617",
"aliases": [
"DEBIAN-CVE-2023-22617"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.8.1-1"
}
]
}
],
"package": {
"name": "pdns-recursor",
"purl": "pkg:deb/debian/pdns-recursor?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-22617.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.8.1-1"
}
]
}
],
"package": {
"name": "pdns-recursor",
"purl": "pkg:deb/debian/pdns-recursor?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-22617.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.8.1-1"
}
]
}
],
"package": {
"name": "pdns-recursor",
"purl": "pkg:deb/debian/pdns-recursor?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-22617.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:01:35.816895621Z",
"provider": "osv",
"upstream": [
"CVE-2023-22617"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-22617"
]
},
"related_cves": [
{
"value": "CVE-2023-22617",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 455588,
"published_at": "2023-01-21T19:15:11.077+00:00"
}