From bd059dfb599d2337c06b4123737090b5f14b9930 Mon Sep 17 00:00:00 2001
From: Daniel Grunwald <daniel@danielgrunwald.de>
Date: Wed, 22 Jul 2020 20:53:29 +0200
Subject: [PATCH] Fix #2075: IndexOutOfRange exception in PEFile.GetRuntime()

---
 ICSharpCode.Decompiler/Metadata/PEFile.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ICSharpCode.Decompiler/Metadata/PEFile.cs b/ICSharpCode.Decompiler/Metadata/PEFile.cs
index c261dbb5e..9b69c8a9a 100644
--- a/ICSharpCode.Decompiler/Metadata/PEFile.cs
+++ b/ICSharpCode.Decompiler/Metadata/PEFile.cs
@@ -75,8 +75,12 @@ namespace ICSharpCode.Decompiler.Metadata
 		public TargetRuntime GetRuntime()
 		{
 			string version = Metadata.MetadataVersion;
+			if (version == null || version.Length <= 1)
+				return TargetRuntime.Unknown;
 			switch (version[1]) {
 				case '1':
+					if (version.Length <= 3)
+						return TargetRuntime.Unknown;
 					if (version[3] == 1)
 						return TargetRuntime.Net_1_0;
 					else