From b993fc46e44d55695e94dffd2552d1866d9d1f63 Mon Sep 17 00:00:00 2001
From: Peter van Dijk <peter.van.dijk@powerdns.com>
Date: Tue, 3 Nov 2020 08:01:09 +0100
Subject: [PATCH] avoid reading freed memory

---
 modules/lmdbbackend/lmdbbackend.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/lmdbbackend/lmdbbackend.cc b/modules/lmdbbackend/lmdbbackend.cc
index 3ac4d2e2ae..daba3ae161 100644
--- a/modules/lmdbbackend/lmdbbackend.cc
+++ b/modules/lmdbbackend/lmdbbackend.cc
@@ -763,7 +763,7 @@ bool LMDBBackend::get(DNSZoneRecord& rr)
       key = d_currentKey.get<string_view>();
     }
 
-    const auto& drr = d_currentrrset[d_currentrrsetpos++];
+    const auto& drr = d_currentrrset.at(d_currentrrsetpos++);
 
     rr.dr.d_name = compoundOrdername::getQName(key) + d_lookupdomain;
     rr.domain_id = compoundOrdername::getDomainID(key);
-- 
2.47.2