1 files changed, 5 insertions, 0 deletions
diff --git a/src/net.cpp b/src/net.cpp
index 3c3666615e..d9f470b9e4 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -523,6 +523,11 @@ bool CNode::ReceiveMsgBytes(const char *pch, unsigned int nBytes)
         if (handled < 0)
                 return false;
 
+        if (msg.in_data && msg.hdr.nMessageSize > MAX_PROTOCOL_MESSAGE_LENGTH) {
+            LogPrint("net", "Oversized message from peer=%i, disconnecting", GetId());
+            return false;
+        }
+
         pch += handled;
         nBytes -= handled;