From 6cf71cf4d7b55a780c8bb8f35cb22c4be585757e Mon Sep 17 00:00:00 2001 From: Pieter Lexis 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 a1e21bc824..c844f86327 100644 --- a/pdns/dnsparser.cc +++ b/pdns/dnsparser.cc @@ -494,6 +494,8 @@ void PacketReader::getLabelFromContent(const vector& content, uint16_t& } ret.append(1,'.'); } + if (ret.length() > 1024) + throw MOADNSException("Total name too long"); } } -- 2.47.2