CVE-2026-85090: Out-of-bounds Read

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFXAVC444BITMAPSTREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocate...