CVE Database›CVE-2026-25952

CVE-2026-25952

freerdp: FreeRDP: Denial of service due to use-after-free vulnerability

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Severity

Moderate

Red Hat Product Security

6.4

CVSS 3.1

Review impact separately from score.

Published · February 26, 2026

Updated · June 28, 2026

Description

A flaw was found in FreeRDP. A remote attacker could exploit a use-after-free vulnerability in the xf_SetWindowMinMaxInfo function. This occurs when a freed window pointer is dereferenced because the main thread concurrently deletes a window while the Remote Desktop Protocol (RAIL) channel thread is still using the pointer. This flaw can lead to a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 6.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H

CWE-825 · Expired Pointer Dereference