CVE-2026-45700: fix out-of-bounds heap write in the RLE planar bitmap decoder; validate the destination X coordinate against the temp buffer stride (nTempStep) instead of the caller-provided destination stride (nDstStep)
CVE-2026-44421: fix out-of-bounds heap write in gdi_CacheToSurface; copy only the validated, UINT16-clamped destination rectangle dimensions instead of the untruncated cache entry width/height