Added extra check to resolve issue on 32-bit systems (GHSA-9pp9-cfwx-54rm)

Author: dlemstra

coders/bmp.c

@@ -1132,6 +1132,8 @@ static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception)
       ThrowReaderException(CorruptImageError,"ImproperImageHeader");
     if (bmp_info.compression == BI_RLE4)
       bmp_info.bits_per_pixel<<=1;
+    if (BMPOverflowCheck(image->columns,bmp_info.bits_per_pixel) != MagickFalse)
+      ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
     extent=image->columns*bmp_info.bits_per_pixel;
     bytes_per_line=4*((extent+31)/32);
     if (BMPOverflowCheck(bytes_per_line,image->rows) != MagickFalse)