CVE-2023-40569

freerdp: Out-of-bounds write in the `progressive_decompress` function due to incorrect calculations

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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 · November 21, 2025

Description

A flaw was found in FreeRDP. Incorrect calculations in the progressive_decompress function may allow for a buffer overflow, resulting in a crash.

Statement

Only FreeRDP based clients are affected. FreeRDP proxy is not affected as image decoding is not done by 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