CVE-2023-40238

CVE-2023-40238 is a LogoFAIL issue in the InsydeH2O firmware, specifically in the BmpDecoderDxe module. The root cause is an integer signedness error involving PixelHeight and PixelWidth during RLE4/RLE8 compression, which can allow crafted BMP logo data to copy into a target address during the D...