From 8bcb23593eac83501b6fa5b2bcae18ce011103c7 Mon Sep 17 00:00:00 2001
From: Harry Sintonen <sintonen@iki.fi>
Date: Sun, 1 Nov 2020 23:32:15 +0200
Subject: [PATCH] gnutls: fix memory leaks (certfields memory wasn't released)

Closes #6153
---
 lib/vtls/gtls.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/vtls/gtls.c b/lib/vtls/gtls.c
index ec3f8599b..b2febaa9e 100644
--- a/lib/vtls/gtls.c
+++ b/lib/vtls/gtls.c
@@ -1225,13 +1225,18 @@ gtls_connect_step3(struct connectdata *conn,
 
     certclock = gnutls_x509_crt_get_expiration_time(x509_cert);
     showtime(data, "expire date", certclock);
+
+    gnutls_free(certfields.data);
   }
 
   rc = gnutls_x509_crt_get_issuer_dn2(x509_cert, &certfields);
   if(rc)
     infof(data, "Failed to get certificate issuer\n");
-  else
+  else {
     infof(data, "\t issuer: %s\n", certfields.data);
+
+    gnutls_free(certfields.data);
+  }
 #endif
 
   gnutls_x509_crt_deinit(x509_cert);