CVE-2023-40574: freerdp: Out-Of-Bounds Write in general_YUV444ToRGB_8u_P3AC4R_BGRX

Severity: Critical

CVSS Score: 9.8

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 Write in the `writePixelBGRX` function. This issue is likely down to incorrect calculations of the `nHeight` and `srcStep` variables. This issue has been addressed in version 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.