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home:Alexander_Naumov:SLE-12:Update
ImageMagick.29424
ImageMagick-CVE-2020-27770.patch
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File ImageMagick-CVE-2020-27770.patch of Package ImageMagick.29424
Index: ImageMagick-6.8.8-1/magick/string.c =================================================================== --- ImageMagick-6.8.8-1.orig/magick/string.c 2013-12-29 00:29:23.000000000 +0100 +++ ImageMagick-6.8.8-1/magick/string.c 2020-12-09 18:14:00.579605212 +0100 @@ -2676,7 +2676,7 @@ MagickExport MagickBooleanType Substitut { if (search_extent == 0) search_extent=strlen(search); - if (strncmp(p,search,search_extent) != 0) + if ((*p == *search) && (strncmp(p,search,search_extent) != 0)) continue; /* We found a match. @@ -2704,7 +2704,9 @@ MagickExport MagickBooleanType Substitut (void) CopyMagickMemory(p+replace_extent,p+search_extent, strlen(p+search_extent)+1); (void) CopyMagickMemory(p,replace,replace_extent); - p+=replace_extent-1; + p+=replace_extent; + if (replace_extent != 0) + p--; } return(status); }
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