freerdp2 — security advisory
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.
- Products
- freerdp2
- Affected versions
- Not specified
- Fixed versions
- 2.9.0+dfsg1-1
- CVEs
- CVE-2022-39320
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:58 UTC · Revision 1
Source evidence
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.
osv:DEBIAN-CVE-2022-39320
freerdp2
Fixed versions: 2.9.0+dfsg1-1
Complete source record
{
"id": "a8e655a2dc60e23fde9cf6ff0179ddaf48f214aaf8ab37ac162d66306b58da7e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-39320",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-39320",
"summary": "FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.",
"evidence": "osv:DEBIAN-CVE-2022-39320",
"products": [
{
"name": {
"value": "freerdp2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.9.0+dfsg1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2022-39320",
"aliases": [
"DEBIAN-CVE-2022-39320"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.9.0+dfsg1-1"
}
]
}
],
"package": {
"name": "freerdp2",
"purl": "pkg:deb/debian/freerdp2?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-39320.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:02:40.581905960Z",
"provider": "osv",
"upstream": [
"CVE-2022-39320"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-39320"
]
},
"related_cves": [
{
"value": "CVE-2022-39320",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 323940,
"published_at": "2022-11-16T20:15:10.29+00:00"
}