CVE-2026-22857 - Vulnerability Details - OpenCVE

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap use-after-free occurs in irp_thread_func because the IRP is freed by irp->Complete() and then accessed again on the error path. This vulnerability is fixed in 3.20.1.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

References

Link	Providers
https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4gxq-jhq6-4cr8

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 heap use-after-free occurs in irp_thread_func because the IRP is freed by irp->Complete() and then accessed again on the error path. This vulnerability is fixed in 3.20.1.
Title		FreeRDP has a heap-use-after-free in irp_thread_func
Weaknesses		CWE-416
References		https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1 https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4gxq-jhq6-4cr8
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'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-01-14T17:53:54.193Z

Updated: 2026-01-14T21:11:31.702Z

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

Link: CVE-2026-22857

Vulnrichment

Updated: 2026-01-14T21:11:27.603Z

NVD

Status : Received

Published: 2026-01-14T18:16:43.373

Modified: 2026-01-14T18:16:43.373

Link: CVE-2026-22857

Redhat

No data.

OpenCVE Enrichment

No data.

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