From 92f7b2bb3f1e18a1f99b482347072dc8e46a2b40 Mon Sep 17 00:00:00 2001
From: Pieter Lexis <pieter.lexis@powerdns.com>
Date: Tue, 2 Jun 2015 15:26:42 +0200
Subject: [PATCH] Limit the maximum length of a qname

---
 pdns/dnsparser.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pdns/dnsparser.cc b/pdns/dnsparser.cc
index 5610c83374..999a0025d4 100644
--- a/pdns/dnsparser.cc
+++ b/pdns/dnsparser.cc
@@ -493,6 +493,8 @@ void PacketReader::getLabelFromContent(const vector<uint8_t>& content, uint16_t&
       }
       ret.append(1,'.');
     }
+    if (ret.length() > 1024)
+      throw MOADNSException("Total name too long");
   }
 }
 
-- 
2.47.2