Microsoft Windows - 'gdi32.dll' Multiple DIB-Related EMF Record Handlers Heap Out-of-Bounds Reads/Memory Disclosure (MS16-074)

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=757 As clearly visible in the EMF Enhanced Metafile image format specification MS-EMF, there are multiple records which deal with DIBs Device Independent Bitmaps. Examples of such records are EMRALPHABLEND, EMRBITBLT, EMRMASKBLT,...