From 36ec32e45d3a86cc9591ae6e9c69d99c63394b39 Mon Sep 17 00:00:00 2001
From: Jason Nelson <jason@carbonmade.com>
Date: Tue, 17 Apr 2018 14:43:09 -0700
Subject: [PATCH] Ensure we pass exactly 40 bytes when parsing the BmpHeader

---
 src/ImageSharp/Formats/Bmp/BmpDecoderCore.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ImageSharp/Formats/Bmp/BmpDecoderCore.cs b/src/ImageSharp/Formats/Bmp/BmpDecoderCore.cs
index 40674ddf1c..26bd97b810 100644
--- a/src/ImageSharp/Formats/Bmp/BmpDecoderCore.cs
+++ b/src/ImageSharp/Formats/Bmp/BmpDecoderCore.cs
@@ -498,7 +498,7 @@ namespace SixLabors.ImageSharp.Formats.Bmp
             else if (headerSize >= BmpInfoHeader.Size)
             {
                 // >= 40 bytes
-                this.infoHeader = BmpInfoHeader.Parse(buffer);
+                this.infoHeader = BmpInfoHeader.Parse(buffer.AsSpan(0, 40));
             }
             else
             {