CriticalFix available
xrdp — security advisory
xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a buffer over flow in audin_send_open() function. There are no known workarounds for this issue. Users are advised to upgrade.
- Products
- xrdp
- Affected versions
- Not specified
- Fixed versions
- 0.9.21.1-1
- CVEs
- CVE-2022-23477
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:35 UTC · Revision 1
Source evidence
xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a buffer over flow in audin_send_open() function. There are no known workarounds for this issue. Users are advised to upgrade.
osv:DEBIAN-CVE-2022-23477
xrdp
Fixed versions: 0.9.21.1-1
xrdp
Fixed versions: 0.9.21.1-1
xrdp
Fixed versions: 0.9.21.1-1
Complete source record
{
"id": "aaa8a8bf183ff8364d0d34bd5e2de40e8388428623f03f3ff5861f53260f7f44",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-23477",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-23477",
"summary": "xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a buffer over flow in audin_send_open() function. There are no known workarounds for this issue. Users are advised to upgrade.",
"evidence": "osv:DEBIAN-CVE-2022-23477",
"products": [
{
"name": {
"value": "xrdp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.21.1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xrdp",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.21.1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xrdp",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.21.1-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2022-23477",
"aliases": [
"DEBIAN-CVE-2022-23477"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.21.1-1"
}
]
}
],
"package": {
"name": "xrdp",
"purl": "pkg:deb/debian/xrdp?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23477.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.21.1-1"
}
]
}
],
"package": {
"name": "xrdp",
"purl": "pkg:deb/debian/xrdp?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23477.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.21.1-1"
}
]
}
],
"package": {
"name": "xrdp",
"purl": "pkg:deb/debian/xrdp?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23477.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:00:47.026639213Z",
"provider": "osv",
"upstream": [
"CVE-2022-23477"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-23477"
]
},
"related_cves": [
{
"value": "CVE-2022-23477",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 322647,
"published_at": "2022-12-09T18:15:13.787+00:00"
}