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GraphicsMagick.8039
GraphicsMagick-CVE-2016-9830.patch
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File GraphicsMagick-CVE-2016-9830.patch of Package GraphicsMagick.8039
Index: GraphicsMagick-1.3.25/coders/png.c =================================================================== --- GraphicsMagick-1.3.25.orig/coders/png.c 2016-05-30 19:19:54.000000000 +0200 +++ GraphicsMagick-1.3.25/coders/png.c 2016-12-13 13:15:17.809327909 +0100 @@ -2791,6 +2791,10 @@ static Image *ReadOneJNGImage(MngInfo *m jng_height, jng_width; + magick_int64_t + height_resource, + width_resource; + png_byte jng_color_type, jng_image_sample_depth, @@ -2857,6 +2861,10 @@ static Image *ReadOneJNGImage(MngInfo *m read_JSEP=MagickFalse; reading_idat=MagickFalse; + + width_resource = GetMagickResourceLimit(WidthResource); + height_resource = GetMagickResourceLimit(HeightResource); + for (;;) { char @@ -3126,6 +3134,11 @@ static Image *ReadOneJNGImage(MngInfo *m } if (length) MagickFreeMemory(chunk); + + + SetMagickResourceLimit(WidthResource,jng_width); + SetMagickResourceLimit(HeightResource,jng_height); + continue; } @@ -3421,6 +3434,10 @@ static Image *ReadOneJNGImage(MngInfo *m if (logging) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " exit ReadOneJNGImage()"); + + SetMagickResourceLimit(WidthResource,width_resource); + SetMagickResourceLimit(HeightResource,height_resource); + return (image); }
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