diff --git a/Il2CppDumper/Il2Cpp/Metadata.cs b/Il2CppDumper/Il2Cpp/Metadata.cs
index 35f32b2..c30e720 100644
--- a/Il2CppDumper/Il2Cpp/Metadata.cs
+++ b/Il2CppDumper/Il2Cpp/Metadata.cs
@@ -48,6 +48,10 @@ namespace Il2CppDumper
                 throw new InvalidDataException("ERROR: Metadata file supplied is not valid metadata file.");
             }
             var version = ReadInt32();
+            if (version < 0 || version > 1000)
+            {
+                throw new InvalidDataException("ERROR: Metadata file supplied is not valid metadata file.");
+            }
             if (version < 16 || version > 29)
             {
                 throw new NotSupportedException($"ERROR: Metadata file supplied is not a supported version[{version}].");