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GraphicsMagick.8345
GraphicsMagick-CVE-2014-9815.patch
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File GraphicsMagick-CVE-2014-9815.patch of Package GraphicsMagick.8345
Index: GraphicsMagick-1.2.5/coders/wpg.c =================================================================== --- GraphicsMagick-1.2.5.orig/coders/wpg.c 2016-06-20 12:22:18.043000670 +0200 +++ GraphicsMagick-1.2.5/coders/wpg.c 2016-06-20 12:23:29.284160798 +0200 @@ -954,6 +954,8 @@ static Image *ReadWPGImage(const ImageIn case 0x0B: /* bitmap type 1 */ BitmapHeader1.Width=ReadBlobLSBShort(image); BitmapHeader1.Heigth=ReadBlobLSBShort(image); + if ((BitmapHeader1.Width == 0) || (BitmapHeader1.Heigth == 0)) + ThrowReaderException(CorruptImageError,ImproperImageHeader,image); BitmapHeader1.Depth=ReadBlobLSBShort(image); BitmapHeader1.HorzRes=ReadBlobLSBShort(image); BitmapHeader1.VertRes=ReadBlobLSBShort(image); @@ -1005,6 +1007,8 @@ static Image *ReadWPGImage(const ImageIn BitmapHeader2.UpRightY=ReadBlobLSBShort(image); BitmapHeader2.Width=ReadBlobLSBShort(image); BitmapHeader2.Heigth=ReadBlobLSBShort(image); + if ((BitmapHeader2.Width == 0) || (BitmapHeader2.Heigth == 0)) + ThrowReaderException(CorruptImageError,ImproperImageHeader,image); BitmapHeader2.Depth=ReadBlobLSBShort(image); BitmapHeader2.HorzRes=ReadBlobLSBShort(image); BitmapHeader2.VertRes=ReadBlobLSBShort(image); @@ -1187,6 +1191,8 @@ static Image *ReadWPGImage(const ImageIn case 0x0E: Bitmap2Header1.Width=ReadBlobLSBShort(image); Bitmap2Header1.Heigth=ReadBlobLSBShort(image); + if ((Bitmap2Header1.Width == 0) || (Bitmap2Header1.Heigth == 0)) + ThrowReaderException(CorruptImageError,ImproperImageHeader,image); Bitmap2Header1.Depth=ReadBlobByte(image); Bitmap2Header1.Compression=ReadBlobByte(image);
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