UnratedFix available
lpr — security advisory
The line printer daemon (lpd) in the lpr package in multiple Linux operating systems authenticates by comparing the reverse-resolved hostname of the local machine to the hostname of the print server as returned by gethostname, which allows remote attackers to bypass intended access controls by modifying the DNS for the attacking IP.
- Products
- lpr
- Affected versions
- Not specified
- Fixed versions
- 1:0.48-1
- CVEs
- CVE-2000-1221
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 20:12 UTC · Revision 1
Source evidence
The line printer daemon (lpd) in the lpr package in multiple Linux operating systems authenticates by comparing the reverse-resolved hostname of the local machine to the hostname of the print server as returned by gethostname, which allows remote attackers to bypass intended access controls by modifying the DNS for the attacking IP.
osv:DEBIAN-CVE-2000-1221
lpr
Fixed versions: 1:0.48-1
lpr
Fixed versions: 1:0.48-1
lpr
Fixed versions: 1:0.48-1
Complete source record
{
"id": "4e2313192a298b0df6c9d11c75d35dc4d11cb4950c73c52934a58a724ba54b60",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2000-1221",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2000-1221",
"summary": "The line printer daemon (lpd) in the lpr package in multiple Linux operating systems authenticates by comparing the reverse-resolved hostname of the local machine to the hostname of the print server as returned by gethostname, which allows remote attackers to bypass intended access controls by modifying the DNS for the attacking IP.",
"evidence": "osv:DEBIAN-CVE-2000-1221",
"products": [
{
"name": {
"value": "lpr",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:0.48-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "lpr",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:0.48-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "lpr",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:0.48-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2000-1221",
"aliases": [
"DEBIAN-CVE-2000-1221"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:0.48-1"
}
]
}
],
"package": {
"name": "lpr",
"purl": "pkg:deb/debian/lpr?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2000-1221.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:0.48-1"
}
]
}
],
"package": {
"name": "lpr",
"purl": "pkg:deb/debian/lpr?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2000-1221.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:0.48-1"
}
]
}
],
"package": {
"name": "lpr",
"purl": "pkg:deb/debian/lpr?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2000-1221.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-22T23:47:23.797881193Z",
"provider": "osv",
"upstream": [
"CVE-2000-1221"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2000-1221"
]
},
"related_cves": [
{
"value": "CVE-2000-1221",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 410416,
"published_at": "2000-01-08T05:00:00+00:00"
}