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ImageMagick.8370
ImageMagick-CVE-2017-16546.patch
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File ImageMagick-CVE-2017-16546.patch of Package ImageMagick.8370
From e04cf3e9524f50ca336253513d977224e083b816 Mon Sep 17 00:00:00 2001 From: Cristy <urban-warrior@imagemagick.org> Date: Sat, 4 Nov 2017 10:56:39 -0400 Subject: [PATCH] https://github.com/ImageMagick/ImageMagick/issues/851 --- coders/wpg.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/coders/wpg.c b/coders/wpg.c index 774643fd31..fc15a52c8e 100644 --- a/coders/wpg.c +++ b/coders/wpg.c @@ -1063,6 +1063,8 @@ static Image *ReadWPGImage(const ImageInfo *image_info, if ((WPG_Palette.NumOfEntries-WPG_Palette.StartIndex) > (Rec2.RecordLength-2-2) / 3) ThrowReaderException(CorruptImageError,"InvalidColormapIndex"); + if (WPG_Palette.StartIndex > WPG_Palette.NumOfEntries) + ThrowReaderException(CorruptImageError,"InvalidColormapIndex"); image->colors=WPG_Palette.NumOfEntries; if (!AcquireImageColormap(image,image->colors)) goto NoMemory;
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