File GraphicsMagick-CVE-2016-7533.patch of Package GraphicsMagick.7893

Index: GraphicsMagick-1.2.5/coders/wpg.c
===================================================================
--- GraphicsMagick-1.2.5.orig/coders/wpg.c	2016-10-07 13:50:18.901286975 +0200
+++ GraphicsMagick-1.2.5/coders/wpg.c	2016-10-07 13:50:29.273450609 +0200
@@ -1237,7 +1237,7 @@ static Image *ReadWPGImage(const ImageIn
                 case 0:    /*Uncompressed raster*/
                   {
                     ldblk=(long) ((bpp*image->columns+7)/8);
-                    BImgBuff=MagickAllocateMemory(unsigned char *,(size_t) ldblk);
+                    BImgBuff=MagickAllocateMemory(unsigned char *,(size_t) ldblk+1);
                     if (BImgBuff == (unsigned char *) NULL)
                       goto NoMemory;