https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-6hgw-6x87-578x

Author: Cristy

magick/artifact.c

@@ -97,6 +97,21 @@
 %    o clone_image: the clone image.
 %
 */
+
+typedef char
+  *(*CloneKeyFunc)(const char *),
+  *(*CloneValueFunc)(const char *);
+
+static inline void *CloneArtifactKey(void *key)
+{
+  return((void *) ((CloneKeyFunc) ConstantString)((const char *) key));
+}
+
+static inline void *CloneArtifactValue(void *value)
+{
+  return((void *) ((CloneValueFunc) ConstantString)((const char *) value));
+}
+
 MagickExport MagickBooleanType CloneImageArtifacts(Image *image,
   const Image *clone_image)
 {
@@ -115,7 +130,7 @@ MagickExport MagickBooleanType CloneImageArtifacts(Image *image,
       if (image->artifacts != (void *) NULL)
         DestroyImageArtifacts(image);
       image->artifacts=CloneSplayTree((SplayTreeInfo *) clone_image->artifacts,
-        (void *(*)(void *)) ConstantString,(void *(*)(void *)) ConstantString);
+        CloneArtifactKey,CloneArtifactValue);
     }
   return(MagickTrue);
 }

magick/option.c

@@ -1790,6 +1790,21 @@ static const OptionInfo
 %    o clone_info: the clone image info.
 %
 */
+
+typedef char
+  *(*CloneKeyFunc)(const char *),
+  *(*CloneValueFunc)(const char *);
+
+static inline void *CloneOptionKey(void *key)
+{
+  return((void *) ((CloneKeyFunc) ConstantString)((const char *) key));
+}
+
+static inline void *CloneOptionValue(void *value)
+{
+  return((void *) ((CloneValueFunc) ConstantString)((const char *) value));
+}
+
 MagickExport MagickBooleanType CloneImageOptions(ImageInfo *image_info,
   const ImageInfo *clone_info)
 {
@@ -1805,7 +1820,7 @@ MagickExport MagickBooleanType CloneImageOptions(ImageInfo *image_info,
       if (image_info->options != (void *) NULL)
         DestroyImageOptions(image_info);
       image_info->options=CloneSplayTree((SplayTreeInfo *) clone_info->options,
-        (void *(*)(void *)) ConstantString,(void *(*)(void *)) ConstantString);
+        CloneOptionKey,CloneOptionValue);
     }
   return(MagickTrue);
 }

magick/profile.c

@@ -115,6 +115,23 @@ static void
 %    o clone_image: the clone image.
 %
 */
+
+typedef char
+  *(*CloneKeyFunc)(const char *);
+
+typedef StringInfo
+   *(*CloneValueFunc)(const StringInfo *);
+
+static inline void *CloneProfileKey(void *key)
+{
+  return((void *) ((CloneKeyFunc) ConstantString)((const char *) key));
+}
+
+static inline void *CloneProfileValue(void *value)
+{
+  return((void *) ((CloneValueFunc) CloneStringInfo)((const StringInfo *) value));
+}
+
 MagickExport MagickBooleanType CloneImageProfiles(Image *image,
   const Image *clone_image)
 {
@@ -133,7 +150,7 @@ MagickExport MagickBooleanType CloneImageProfiles(Image *image,
       if (image->profiles != (void *) NULL)
         DestroyImageProfiles(image);
       image->profiles=CloneSplayTree((SplayTreeInfo *) clone_image->profiles,
-        (void *(*)(void *)) ConstantString,(void *(*)(void *)) CloneStringInfo);
+        CloneProfileKey,CloneProfileValue);
    }
   return(MagickTrue);
 }

magick/property.c

@@ -127,6 +127,21 @@
 %    o clone_image: the clone image.
 %
 */
+
+typedef char
+  *(*CloneKeyFunc)(const char *),
+  *(*CloneValueFunc)(const char *);
+
+static inline void *ClonePropertyKey(void *key)
+{
+  return((void *) ((CloneKeyFunc) ConstantString)((const char *) key));
+}
+
+static inline void *ClonePropertyValue(void *value)
+{
+  return((void *) ((CloneValueFunc) ConstantString)((const char *) value));
+}
+
 MagickExport MagickBooleanType CloneImageProperties(Image *image,
   const Image *clone_image)
 {
@@ -192,8 +207,7 @@ MagickExport MagickBooleanType CloneImageProperties(Image *image,
       if (image->properties != (void *) NULL)
         DestroyImageProperties(image);
       image->properties=CloneSplayTree((SplayTreeInfo *)
-        clone_image->properties,(void *(*)(void *)) ConstantString,
-        (void *(*)(void *)) ConstantString);
+        clone_image->properties,ClonePropertyKey,ClonePropertyValue);
     }
   return(MagickTrue);
 }