diff --git a/crypto/x509v3/v3_cpols.c b/crypto/x509v3/v3_cpols.c
index 7573fec9b16965578f3c7256844bf29b418ad559..b452ac4e53bc9c10d384e2ec81aa0e263076bb98 100644
--- a/crypto/x509v3/v3_cpols.c
+++ b/crypto/x509v3/v3_cpols.c
@@ -181,7 +181,11 @@ static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method,
 			pol = POLICYINFO_new();
 			pol->policyid = pobj;
 		}
-		sk_POLICYINFO_push(pols, pol);
+		if (!sk_POLICYINFO_push(pols, pol)){
+			POLICYINFO_free(pol);
+			X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE);
+			goto err;
+		}
 	}
 	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
 	return pols;
@@ -447,3 +451,6 @@ void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent)
 		BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
 	}
 
+
+IMPLEMENT_STACK_OF(X509_POLICY_NODE)
+