1 files changed, 18 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers.Serialization/RecursionLimitExceeded.cs b/csharp/src/ProtocolBuffers.Serialization/RecursionLimitExceeded.cs
new file mode 100644
index 00000000..14e72ba8
--- /dev/null
+++ b/csharp/src/ProtocolBuffers.Serialization/RecursionLimitExceeded.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Google.ProtocolBuffers.Serialization
+{
+    /// <summary>
+    /// The exception raised when a recursion limit is reached while parsing input.
+    /// </summary>
+    public sealed class RecursionLimitExceededException : FormatException
+    {
+        const string message = "Possible malicious message had too many levels of nesting.";
+        
+        internal RecursionLimitExceededException() : base(message)
+        {
+        }
+    }
+}