CVE-2023-40186

freerdp: Integer overflow leading to out-of-bound write vulnerability in gdi_CreateSurface

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · September 1, 2023

Updated · June 26, 2026

Description

An integer overflow vulnerability was found in the gdi_CreateSurface function in FreeRDP, which may result in a crash.

Statement

This issue affects FreeRDP based clients only. FreeRDP proxies are not affected as image decoding is not done by a proxy.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-787 · Out-of-bounds Write