1 files changed, 7 insertions, 0 deletions
diff --git a/csharp/src/Google.Protobuf/InvalidProtocolBufferException.cs b/csharp/src/Google.Protobuf/InvalidProtocolBufferException.cs
index 01d55395..cacda648 100644
--- a/csharp/src/Google.Protobuf/InvalidProtocolBufferException.cs
+++ b/csharp/src/Google.Protobuf/InvalidProtocolBufferException.cs
@@ -95,6 +95,13 @@ namespace Google.Protobuf
                 "Use CodedInputStream.SetRecursionLimit() to increase the depth limit.");
         }
 
+        internal static InvalidProtocolBufferException JsonRecursionLimitExceeded()
+        {
+            return new InvalidProtocolBufferException(
+                "Protocol message had too many levels of nesting.  May be malicious.  " +
+                "Use JsonParser.Settings to increase the depth limit.");
+        }
+
         internal static InvalidProtocolBufferException SizeLimitExceeded()
         {
             return new InvalidProtocolBufferException(