Commit ce021e9af for imagemagick.org

commit ce021e9af39f5600ba7e90cb72956ded3712dcfc
Author: Javid Khan <dxbjavid@gmail.com>
Date:   Sun May 31 12:45:22 2026 +0530

    reject hdr files with a negative width or height (#8765)

diff --git a/coders/hdr.c b/coders/hdr.c
index 3d3c355ba..1f2b83cd2 100644
--- a/coders/hdr.c
+++ b/coders/hdr.c
@@ -340,6 +340,9 @@ static Image *ReadHDRImage(const ImageInfo *image_info,ExceptionInfo *exception)

                   if (MagickSscanf(value,"%d +X %d",&height,&width) == 2)
                     {
+                      if ((width <= 0) || (height <= 0))
+                        ThrowReaderException(CorruptImageError,
+                          "ImproperImageHeader");
                       image->columns=(size_t) width;
                       image->rows=(size_t) height;
                     }