File ImageMagick-CVE-2017-18252.patch of Package ImageMagick
Index: ImageMagick-6.8.8-1/wand/mogrify.c
===================================================================
--- ImageMagick-6.8.8-1.orig/wand/mogrify.c 2013-12-01 15:47:50.000000000 +0100
+++ ImageMagick-6.8.8-1/wand/mogrify.c 2018-04-13 16:44:18.022902548 +0200
@@ -8437,7 +8437,8 @@ WandExport MagickBooleanType MogrifyImag
Image
*p,
*q,
- *swap;
+ *swap,
+ *temp;
ssize_t
swap_index;
@@ -8470,7 +8471,14 @@ WandExport MagickBooleanType MogrifyImag
if (p == q)
break;
swap=CloneImage(p,0,0,MagickTrue,exception);
- ReplaceImageInList(&p,CloneImage(q,0,0,MagickTrue,exception));
+ if (swap == (Image *) NULL)
+ ThrowWandFatalException(ResourceLimitFatalError,
+ "MemoryAllocationFailed",(*images)->filename);
+ temp=CloneImage(q,0,0,MagickTrue,exception);
+ if (temp == (Image *) NULL)
+ ThrowWandFatalException(ResourceLimitFatalError,
+ "MemoryAllocationFailed",(*images)->filename);
+ ReplaceImageInList(&p,temp);
ReplaceImageInList(&q,swap);
*images=GetFirstImageInList(q);
break;