From e4238b337d28c1f300478144e210c41e8bd9dbce Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Wed, 11 Oct 2017 15:28:04 +0200
Subject: [PATCH] Fix a memory leak when loading an RSA key with an invalid
 modulus

---
 pdns/opensslsigners.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pdns/opensslsigners.cc b/pdns/opensslsigners.cc
index 051734aba..8e3bb547b 100644
--- a/pdns/opensslsigners.cc
+++ b/pdns/opensslsigners.cc
@@ -474,7 +474,7 @@ void OpenSSLRSADNSCryptoKeyEngine::fromISCMap(DNSKEYRecordContent& drc, std::map
   if (iqmp == NULL) {
     RSA_free(key);
     BN_clear_free(dmq1);
-    BN_clear_free(iqmp);
+    BN_clear_free(dmp1);
     throw runtime_error(getName()+" allocation of BIGNUM iqmp failed");
   }
   RSA_set0_crt_params(key, dmp1, dmq1, iqmp);
@@ -562,6 +562,7 @@ void OpenSSLRSADNSCryptoKeyEngine::fromPublicKeyString(const std::string& input)
   BIGNUM *n = BN_bin2bn((unsigned char*)modulus.c_str(), modulus.length(), NULL);
   if (!n) {
     RSA_free(key);
+    BN_clear_free(e);
     throw runtime_error(getName()+" error loading n value of public key");
   }
 
-- 
2.40.0