Commit ca761f220 for imagemagick.org

commit ca761f220bbf0470e2e7967639bcfb5be305ad28
Author: Cristy <urban-warrior@imagemagick.org>
Date:   Thu Apr 9 10:18:13 2026 -0400

    https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x928-4434-crqj

diff --git a/coders/png.c b/coders/png.c
index efd13412b..daf414322 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -13676,6 +13676,7 @@ static MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image,
     if (status == MagickFalse)
       {
         (void) CloseBlob(image);
+        mng_info=(MngWriteInfo *) RelinquishMagickMemory(mng_info);
         return(MagickFalse);
       }
     (void) CatchImageException(image);