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GraphicsMagick.9821
GraphicsMagick-CVE-2017-16546.patch
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File GraphicsMagick-CVE-2017-16546.patch of Package GraphicsMagick.9821
Index: GraphicsMagick-1.3.25/coders/wpg.c =================================================================== --- GraphicsMagick-1.3.25.orig/coders/wpg.c 2017-11-21 17:06:50.050119234 +0100 +++ GraphicsMagick-1.3.25/coders/wpg.c 2017-11-21 17:06:42.217987185 +0100 @@ -1030,6 +1030,9 @@ static Image *ReadWPGImage(const ImageIn WPG_Palette.StartIndex=ReadBlobLSBShort(image); WPG_Palette.NumOfEntries=ReadBlobLSBShort(image); + if (WPG_Palette.StartIndex > WPG_Palette.NumOfEntries) + ThrowReaderException(CorruptImageError,InvalidColormapIndex,image); + image->colors=WPG_Palette.NumOfEntries; if (!AllocateImageColormap(image,image->colors)) goto NoMemory;
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