https://github.com/ImageMagick/ImageMagick/issues/804

diff --git a/MagickWand/operation.c b/MagickWand/operation.c
index 2481ca1e9c2536e54935db6eaa5e3ac46c7e57a0..bd3c6c6961566cd197cce6e1260363f746cad953 100644 (file)
--- a/MagickWand/operation.c
+++ b/MagickWand/operation.c
@@ -4578,6 +4578,9 @@ WandPrivate MagickBooleanType CLIListOperatorImages(MagickCLI *cli_wand,
         if (p == q)
           CLIWandExceptArgBreak(OptionError,"InvalidImageIndex",option,arg1);
         swap=CloneImage(p,0,0,MagickTrue,_exception);
+        if (swap == (Image *) NULL)
+          CLIWandExceptArgBreak(ResourceLimitError,"MemoryAllocationFailed",
+            option,GetExceptionMessage(errno));
         ReplaceImageInList(&p,CloneImage(q,0,0,MagickTrue,_exception));
         ReplaceImageInList(&q,swap);
         _images=GetFirstImageInList(q);