From 45494b02a3a874dc84337e5731f1917c59b5ed66 Mon Sep 17 00:00:00 2001
From: Armin Novak <armin.novak@thincast.com>
Date: Tue, 3 Mar 2026 16:44:36 +0100
Subject: [PATCH] [core,server] FreeRDP_WTSVirtualChannelRead checks

Properly check MessageQueue_Peek return and propagate failure.
---
 libfreerdp/core/server.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libfreerdp/core/server.c b/libfreerdp/core/server.c
index d66f5baa2..8b4152046 100644
--- a/libfreerdp/core/server.c
+++ b/libfreerdp/core/server.c
@@ -1656,8 +1656,10 @@ BOOL WINAPI FreeRDP_WTSVirtualChannelRead(HANDLE hChannelHandle, WINPR_ATTR_UNUS
 
 	if (messageCtx->offset >= messageCtx->length)
 	{
-		(void)MessageQueue_Peek(channel->queue, &message, TRUE);
+		const int rc = MessageQueue_Peek(channel->queue, &message, TRUE);
 		peer_channel_queue_free_message(&message);
+		if (rc < 0)
+			return FALSE;
 	}
 
 	return TRUE;