CVE-2023-40188
freerdp: Out-of-bounds read in general_LumaToYUV444
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 1, 2023
Updated · November 21, 2025
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the general_LumaToYUV444 function. This Out-Of-Bounds Read occurs because processing is done on the in variable without checking if it contains data of sufficient length. Insufficient data for the in variable may cause errors or crashes. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.
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 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read