Commit 2a06c7be3 for imagemagick.org

commit 2a06c7be3bba3326caf8b7a8d1fa2e0d4b88998d
Author: Cristy <urban-warrior@imagemagick.org>
Date:   Thu Apr 9 14:33:04 2026 -0400

    https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5xg3-585r-9jh5

diff --git a/coders/msl.c b/coders/msl.c
index 6d5f29ca8..5bbdf04ff 100644
--- a/coders/msl.c
+++ b/coders/msl.c
@@ -272,7 +272,7 @@ static ssize_t MSLPushImage(MSLInfo *msl_info,Image *image)
       (msl_info->attributes[n] == (Image *) NULL))
     ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed")
   if (msl_info->number_groups != 0)
-    msl_info->group_info[msl_info->number_groups].numImages++;
+    msl_info->group_info[msl_info->number_groups-1].numImages++;
   return(n);
 }