FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap-buffer-overflow occurs in drive read when a server-controlled read length is used to read file data into an IRP output stream buffer without a hard upper bound, allowing an oversized read to overwrite heap memory. This vulnerability is fixed in 3.20.1.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 15 Jan 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'}

threat_severity

Moderate


Thu, 15 Jan 2026 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Freerdp
Freerdp freerdp
Vendors & Products Freerdp
Freerdp freerdp

Wed, 14 Jan 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 14 Jan 2026 18:00:00 +0000

Type Values Removed Values Added
Description FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap-buffer-overflow occurs in drive read when a server-controlled read length is used to read file data into an IRP output stream buffer without a hard upper bound, allowing an oversized read to overwrite heap memory. This vulnerability is fixed in 3.20.1.
Title FreeRDP has a heap-buffer-overflow in drive_process_irp_read
Weaknesses CWE-122
References
Metrics cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-01-14T21:05:27.465Z

Reserved: 2026-01-12T16:20:16.746Z

Link: CVE-2026-22854

cve-icon Vulnrichment

Updated: 2026-01-14T21:05:24.124Z

cve-icon NVD

Status : Received

Published: 2026-01-14T18:16:42.933

Modified: 2026-01-14T18:16:42.933

Link: CVE-2026-22854

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-01-14T17:47:49Z

Links: CVE-2026-22854 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-01-15T08:03:09Z

Weaknesses