CVE-2026-121952 FreeRDP before 3.32.2 Proxy Out-of-Bounds Write via Bitmap Cache v2 Capability

FreeRDP before 3.32.2 has an out-of-bounds write in the proxy because rdpreadbitmapcachev2capabilityset rejects only numCellCaches values above 5, yet the bitmap cache v2 cell array is later accessed at fixed indices 0 through 4. A client connecting to the proxy can declare fewer than five cell...

CVE-2026-121952

FreeRDP versions before 3.32.2 are vulnerable to an out-of-bounds write within the proxy component. The root cause is that the function rdp_read_bitmap_cache_v2_capability_set only rejects numCellCaches values greater than 5, but the application subsequently accesses the bitmap cache v2 cell arra...