From 875aa2d98d1eb25f4932fbd2ac5c2086d16ff6ea Mon Sep 17 00:00:00 2001
From: Peter Powell
Date: Fri, 19 Jul 2019 12:11:36 +0100
Subject: spanningtree: Never send a message to a raw UUID in CmdBuilder.

---
 src/modules/m_spanningtree/compat.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/modules/m_spanningtree/compat.cpp')

diff --git a/src/modules/m_spanningtree/compat.cpp b/src/modules/m_spanningtree/compat.cpp
index fc9700740..0d50b4325 100644
--- a/src/modules/m_spanningtree/compat.cpp
+++ b/src/modules/m_spanningtree/compat.cpp
@@ -286,7 +286,12 @@ void TreeSocket::WriteLine(const std::string& original_line)
 
 						// Synthesize a :<newserver> BURST <time> message
 						spcolon = line.find(" :");
-						line = CmdBuilder(line.substr(spcolon-3, 3), "BURST").push_int(ServerInstance->Time()).str();
+
+						TreeServer* const source = Utils->FindServerID(line.substr(spcolon-3, 3));
+						if (!source)
+							return;
+
+						line = CmdBuilder(source, "BURST").push_int(ServerInstance->Time()).str();
 					}
 				}
 				else if (command == "NUM")
-- 
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