1 files changed, 5 insertions, 0 deletions

diff --git a/src/lib/libssl/s3_clnt.c b/src/lib/libssl/s3_clnt.c
index ffbd83b060..602ab03fe1 100644
--- a/src/lib/libssl/s3_clnt.c
+++ b/src/lib/libssl/s3_clnt.c
@@ -2458,6 +2458,11 @@ ssl3_send_client_key_exchange(SSL *s)
                          * context data
                          */
                         ukm_hash = EVP_MD_CTX_create();
+                        if (ukm_hash == NULL) {
+                                SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+                                    ERR_R_MALLOC_FAILURE);
+                                goto err;
+                        }
                         EVP_DigestInit(ukm_hash,
                             EVP_get_digestbynid(NID_id_GostR3411_94));
                         EVP_DigestUpdate(ukm_hash,