File ImageMagick-CVE-2025-53019.patch of Package ImageMagick.40311

From fc3ab0812edef903bbb2473c0ee652ddfd04fe5c Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@lemstra.org>
Date: Fri, 27 Jun 2025 14:51:57 +0200
Subject: [PATCH] Fixed memory leak when entering StreamImage multiple times.

---
 MagickCore/stream.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: ImageMagick-6.8.8-1/magick/stream.c
===================================================================
--- ImageMagick-6.8.8-1.orig/magick/stream.c
+++ ImageMagick-6.8.8-1/magick/stream.c
@@ -1216,7 +1216,8 @@ MagickExport Image *StreamImage(const Im
   assert(exception != (ExceptionInfo *) NULL);
   read_info=CloneImageInfo(image_info);
   stream_info->image_info=image_info;
-  stream_info->quantum_info=AcquireQuantumInfo(image_info,(Image *) NULL);
+  if (stream_info->quantum_info == (QuantumInfo *) NULL)
+    stream_info->quantum_info=AcquireQuantumInfo(image_info,(Image *) NULL);
   stream_info->exception=exception;
   read_info->client_data=(void *) stream_info;
   image=ReadStream(read_info,&WriteStreamImage,exception);