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freerdp2 — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2022-39347

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP based client to read files outside the shared directory. 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 `/drive`, `/drives` or `+home-drive` redirection switch.

Products
freerdp2
Affected versions
Not specified
Fixed versions
2.9.0+dfsg1-1
CVEs
CVE-2022-39347
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 14:58 UTC · Revision 1

Source evidence

DEBIAN-CVE-2022-39347

core-osv · Original source

Published 16 Nov 2022, 20:15 UTC

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP based client to read files outside the shared directory. 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 `/drive`, `/drives` or `+home-drive` redirection switch.

osv:DEBIAN-CVE-2022-39347

freerdp2

Fixed versions: 2.9.0+dfsg1-1

Complete source record
{
  "id": "e74feb74d10501b61dd7b4b94f43c3d47a01af283a6ea58d2c6a677d49b81d89",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-39347",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2022-39347",
    "summary": "FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP based client to read files outside the shared directory. 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 `/drive`, `/drives` or `+home-drive` redirection switch.",
    "evidence": "osv:DEBIAN-CVE-2022-39347",
    "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-2022-39347",
      "aliases": [
        "DEBIAN-CVE-2022-39347"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N"
        }
      ],
      "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-2022-39347.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-15T08:02:40.905280783Z",
      "provider": "osv",
      "upstream": [
        "CVE-2022-39347"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2022-39347"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2022-39347",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 323949,
  "published_at": "2022-11-16T20:15:10.367+00:00"
}