From 23247a8bcfc897e8f038d2dec013c48d08fa09ff Mon Sep 17 00:00:00 2001
From: rudolfkoenig <rudolfkoenig@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 22 Oct 2019 18:45:21 +0000
Subject: [PATCH] 10_MQTT2_DEVICE.pm: limit the autocreated json2nameValue to
 10k (Forum #104687)

git-svn-id: https://svn.fhem.de/fhem/trunk@20396 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/10_MQTT2_DEVICE.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/10_MQTT2_DEVICE.pm b/fhem/FHEM/10_MQTT2_DEVICE.pm
index abaff4935..31dae182f 100644
--- a/fhem/FHEM/10_MQTT2_DEVICE.pm
+++ b/fhem/FHEM/10_MQTT2_DEVICE.pm
@@ -189,7 +189,7 @@ MQTT2_DEVICE_Parse($$)
       my $cidArr = $modules{MQTT2_DEVICE}{defptr}{cid}{$newCid};
       return if(!$cidArr);
       my $add;
-      if($value =~ m/^{.*}$/s) {
+      if(length($value) < 10000 && $value =~ m/^{.*}$/s) {
         my $ret = json2nameValue($value);
         if(keys %{$ret}) {
           $topic =~ m,.*/([^/]+),;