From 73a9c95b7b1c7d132a5707ef33558f3faf87cc2e Mon Sep 17 00:00:00 2001
From: Nicolas Williams <nico@twosigma.com>
Date: Fri, 20 Dec 2019 15:50:22 -0600
Subject: [PATCH] hx509: Avoid double-free on CSR parse error

---
 lib/hx509/req.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/hx509/req.c b/lib/hx509/req.c
index 768dfdaf1..73db4d67b 100644
--- a/lib/hx509/req.c
+++ b/lib/hx509/req.c
@@ -723,6 +723,7 @@ hx509_request_parse_der(hx509_context context,
     if (ret) {
         hx509_set_error_string(context, 0, ret, "Failed to decode CSR");
         free(*req);
+        *req = NULL;
         return ret;
     }
     rinfo = &r.certificationRequestInfo;