Commit 38b6468b9 for imagemagick.org

commit 38b6468b97bcb39b2f4d0ecc67666e8951b142f7
Author: Cristy <urban-warrior@imagemagick.org>
Date:   Wed Jun 24 19:40:19 2026 -0400

    https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-g568-j2hh-jr58

diff --git a/coders/wbmp.c b/coders/wbmp.c
index 1427cec20..69976460f 100644
--- a/coders/wbmp.c
+++ b/coders/wbmp.c
@@ -181,6 +181,9 @@ static Image *ReadWBMPImage(const ImageInfo *image_info,
       (void) CloseBlob(image);
       return(GetFirstImageInList(image));
     }
+  if ((image->columns > GetBlobSize(image)) ||
+      (image->rows > GetBlobSize(image)))
+    ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
   status=SetImageExtent(image,image->columns,image->rows,exception);
   if (status == MagickFalse)
     return(DestroyImageList(image));