Index: ImageMagick-6.8.8-1/coders/msl.c
===================================================================
--- ImageMagick-6.8.8-1.orig/coders/msl.c
+++ ImageMagick-6.8.8-1/coders/msl.c
@@ -3362,6 +3362,13 @@ static void MSLStartElement(void *contex
       msl_info->group_info=(MSLGroupInfo *) ResizeQuantumMemory(
         msl_info->group_info,msl_info->number_groups+1UL,
         sizeof(*msl_info->group_info));
+      if (msl_info->group_info == (MSLGroupInfo *) NULL)
+        {
+          ThrowMSLException(ResourceLimitFatalError,
+            "UnableToInterpretMSLImage",tag);
+          break;
+        }
+      msl_info->group_info[msl_info->number_groups-1].numImages=0;
       break;
     }
       ThrowMSLException(OptionError,"UnrecognizedElement",(const char *) tag);