Avoid leak in error path of dh_priv_decode

ok jsing@ tb@

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libcrypto/dh/dh_ameth.c b/src/lib/libcrypto/dh/dh_ameth.c
index 5054d17a3f..af15fb2c68 100644
--- a/src/lib/libcrypto/dh/dh_ameth.c
+++ b/src/lib/libcrypto/dh/dh_ameth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dh_ameth.c,v 1.17 2018/08/24 20:22:15 tb Exp $ */
+/* $OpenBSD: dh_ameth.c,v 1.18 2020/01/04 13:57:43 inoguchi Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -225,6 +225,7 @@ dh_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
 decerr:
         DHerror(EVP_R_DECODE_ERROR);
 dherr:
+        ASN1_INTEGER_free(privkey);
         DH_free(dh);
         return 0;
 }