Security update for freerdp

This update for freerdp fixes the following issues: CVE-2025-4478: Fixed initialization of function pointers after resource allocations bsc1243109 CVE-2026-22851: Fixed RDPGFX ResetGraphics race leading to use-after-free in SDL client sdl-primary bsc1256717 CVE-2026-22852: Fixed...

CVE-2026-22858 FreeRDP has a global-buffer-overflow in crypto_base64_decode

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c = ...