...

ChangeLog

@@ -1,6 +1,7 @@
 2017-01-10  7.0.4-4 Cristy  <quetzlzacatenango@image...>
   * Recognize XML policy closing tags (reference
     https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=31182).
+  * Fix memory leak in the MPC format.
 
 2017-01-07  7.0.4-3 Cristy  <quetzlzacatenango@image...>
   * Release ImageMagick version 7.0.4-3, GIT revision 19329:930ca78:20170107.

coders/mpc.c

@@ -66,6 +66,7 @@
 #include "MagickCore/profile.h"
 #include "MagickCore/property.h"
 #include "MagickCore/quantum-private.h"
+#include "MagickCore/resource.h"
 #include "MagickCore/static.h"
 #include "MagickCore/statistic.h"
 #include "MagickCore/string_.h"
@@ -834,7 +835,9 @@ static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
         /*
           Create image colormap.
         */
-        if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
+        image->colormap=(PixelInfo *) AcquireQuantumMemory(image->colors+1,
+          sizeof(*image->colormap));
+        if (image->colormap == (PixelInfo *) NULL)
           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
         if (image->colors != 0)
           {
@@ -923,9 +926,9 @@ static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
     if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
       if (image->scene >= (image_info->scene+image_info->number_scenes-1))
         break;
-    status=SetImageExtent(image,image->columns,image->rows,exception);
-    if (status == MagickFalse)
-      return(DestroyImageList(image));
+    if ((AcquireMagickResource(WidthResource,image->columns) == MagickFalse) ||
+        (AcquireMagickResource(HeightResource,image->rows) == MagickFalse))
+      ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit");
     /*
       Attach persistent pixel cache.
     */