From 9f3ff2eefa482bde1867ff5a48815a6c8217ced2 Mon Sep 17 00:00:00 2001
From: pablomadoery <madoerypablo@gmail.com>
Date: Mon, 23 Feb 2026 08:48:54 -0500
Subject: [PATCH] Fix memory leak in MessageDispatcher when outGate->deliver
 returns false

---
 src/inet/common/MessageDispatcher.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/inet/common/MessageDispatcher.cc b/src/inet/common/MessageDispatcher.cc
index 10440836e7c..cdc25e19f47 100644
--- a/src/inet/common/MessageDispatcher.cc
+++ b/src/inet/common/MessageDispatcher.cc
@@ -110,7 +110,11 @@ void MessageDispatcher::arrived(cMessage *message, cGate *inGate, const SendOpti
     }
     else
         outGate = handleMessage(check_and_cast<Message *>(message), inGate);
-    outGate->deliver(message, options, time);
+    bool keepMsg = outGate->deliver(message, options, time);
+    if (!keepMsg) {
+        take(message);
+        delete message;
+    }
 #ifdef INET_WITH_QUEUEING
 #endif // #ifdef INET_WITH_QUEUEING
 }