openssl: fix a potential memory leak of params.cert

Closes #19560

diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 72ca0f6cb38ba49a12691a20d02876f550c5297e..9b3ca9b5eaecc264e476200d2f22bb86e11c44d2 100644 (file)
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -1214,6 +1214,7 @@ static int engineload(struct Curl_easy *data,
       failf(data, "unable to set client certificate [%s]",
             ossl_strerror(ERR_get_error(), error_buffer,
                           sizeof(error_buffer)));
+      X509_free(params.cert);
       return 0;
     }
     X509_free(params.cert); /* we do not need the handle any more... */