Commit 6ac07556a for imagemagick.org

commit 6ac07556a93b2de00c845cd535ca256f45a47154
Author: Cristy <urban-warrior@imagemagick.org>
Date:   Fri Aug 21 12:52:43 2026 -0400

    https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4mwf-mggw-29vp

diff --git a/MagickCore/cache.c b/MagickCore/cache.c
index 81f280d17..8d1b4c184 100644
--- a/MagickCore/cache.c
+++ b/MagickCore/cache.c
@@ -3888,6 +3888,7 @@ static MagickBooleanType OpenPixelCache(Image *image,const MapMode mode,
             }
           if (cache_info->pixels == (Quantum *) NULL)
             {
+              RelinquishMagickResource(MemoryResource,cache_info->length);
               cache_info->mapped=source_info.mapped;
               cache_info->pixels=source_info.pixels;
             }