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Ensure image extent does not exceed maximum

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Cristy
Cristy committed May 16, 2016
1 parent ac72d94 commit fc43974d34318c834fbf78570ca1a3764ed8c7d7
Showing with 6 additions and 3 deletions.
  1. +6 −3 coders/wpg.c
@@ -1112,6 +1112,9 @@ static Image *ReadWPGImage(const ImageInfo *image_info,
bpp=BitmapHeader2.Depth;

UnpackRaster:
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
break;
if ((image->colors == 0) && (bpp != 24))
{
image->colors=one << bpp;
@@ -1305,6 +1308,9 @@ static Image *ReadWPGImage(const ImageInfo *image_info,
}
image->columns=Bitmap2Header1.Width;
image->rows=Bitmap2Header1.Height;
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
break;

if ((image->colors == 0) && (bpp != 24))
{
@@ -1423,9 +1429,6 @@ static Image *ReadWPGImage(const ImageInfo *image_info,
ThrowReaderException(CoderError,"DataEncodingSchemeIsNotSupported");
}
}
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));

Finish:
(void) CloseBlob(image);

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