CVE-2023-40589

freerdp: buffer overflow in ncrush_decompress causes crash with crafted input

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · August 31, 2023

Updated · November 21, 2025

Description

A flaw was found in the FreeRDP implementation. Feeding crafted input into the ncrush_decompress function may cause a buffer overflow, resulting in a crash.

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-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')