https://gitlab.gnome.org/GNOME/gssdp/-/issues/12
https://gitlab.gnome.org/GNOME/gssdp/-/commit/232a096c072110b7be8d3d74702d8aadd15eefdf

From: Jens Georg <mail@jensge.org>
Date: Fri, 22 Sep 2023 11:39:28 +0200
Subject: [PATCH] client: Do not crash if socket receive fails

message and num_messages could then contain random junk and we free
stuff we have no business with

Fixes #12
--- a/libgssdp/gssdp-client.c
+++ b/libgssdp/gssdp-client.c
@@ -1553,8 +1553,8 @@ socket_source_cb (GSSDPSocketSource *socket_source, GSSDPClient *client)
         guint16 port;
         GError *error = NULL;
         GInputVector vector;
-        GSocketControlMessage **messages;
-        gint num_messages;
+        GSocketControlMessage **messages = NULL;
+        gint num_messages = 0;
         GSSDPClientPrivate *priv = gssdp_client_get_instance_private (client);
         gboolean ret = TRUE;
 
-- 
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