From aba1050bae1a1dc0aee0a72d275933a8f6b41254 Mon Sep 17 00:00:00 2001
From: Brian Popow <popow@gmx.de>
Date: Sat, 5 Jun 2021 17:11:35 +0200
Subject: [PATCH] Throw exception for single channel tiff when bits per sample
 is larger then 16

---
 .../Formats/Tiff/TiffDecoderOptionsParser.cs           | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs b/src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs
index 3ba64b18cb..014dd55380 100644
--- a/src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs
+++ b/src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs
@@ -105,6 +105,11 @@ namespace SixLabors.ImageSharp.Formats.Tiff
                     }
 
                     ushort bitsPerChannel = options.BitsPerSample[0];
+                    if (bitsPerChannel > 16)
+                    {
+                        TiffThrowHelper.ThrowNotSupported("Bits per sample is not supported.");
+                    }
+
                     switch (bitsPerChannel)
                     {
                         case 8:
@@ -143,6 +148,11 @@ namespace SixLabors.ImageSharp.Formats.Tiff
                     }
 
                     ushort bitsPerChannel = options.BitsPerSample[0];
+                    if (bitsPerChannel > 16)
+                    {
+                        TiffThrowHelper.ThrowNotSupported("Bits per sample is not supported.");
+                    }
+
                     switch (bitsPerChannel)
                     {
                         case 8: