FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.
History

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 race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.
Title FreeRDP has a heap-use-after-free in create_irp_thread
Weaknesses CWE-362
CWE-416
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-01-14T21:10:47.556Z

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

Link: CVE-2026-22856

cve-icon Vulnrichment

Updated: 2026-01-14T21:10:43.763Z

cve-icon NVD

Status : Received

Published: 2026-01-14T18:16:43.230

Modified: 2026-01-14T18:16:43.230

Link: CVE-2026-22856

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.