From c18e8f6c7879798951894ced468096b6733df1bb Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Sat, 7 Jan 2023 10:54:49 -0500
Subject: [PATCH] drop too long LeaseSet without processing

---
 libi2pd/NetDb.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libi2pd/NetDb.cpp b/libi2pd/NetDb.cpp
index 9eafd586..c46adff1 100644
--- a/libi2pd/NetDb.cpp
+++ b/libi2pd/NetDb.cpp
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2022, The PurpleI2P Project
+* Copyright (c) 2013-2023, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -807,6 +807,11 @@ namespace data
 		uint8_t storeType = buf[DATABASE_STORE_TYPE_OFFSET];
 		if (storeType) // LeaseSet or LeaseSet2
 		{
+			if (len > MAX_LS_BUFFER_SIZE + offset)
+			{
+				LogPrint (eLogError, "NetDb: Database store message is too long ", len);
+				return;
+			}	
 			if (!m->from) // unsolicited LS must be received directly
 			{
 				if (storeType == NETDB_STORE_TYPE_LEASESET) // 1