Index: crypto/openssl/crypto/asn1/tasn_dec.c
===================================================================
--- crypto/openssl/crypto/asn1/tasn_dec.c	(revision 291751)
+++ crypto/openssl/crypto/asn1/tasn_dec.c	(working copy)
@@ -180,6 +180,8 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsi
     int otag;
     int ret = 0;
     ASN1_VALUE **pchptr, *ptmpval;
+    int combine = aclass & ASN1_TFLG_COMBINE;
+    aclass &= ~ASN1_TFLG_COMBINE;
     if (!pval)
         return 0;
     if (aux && aux->asn1_cb)
@@ -500,7 +502,8 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsi
  auxerr:
     ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_AUX_ERROR);
  err:
-    ASN1_item_ex_free(pval, it);
+    if (combine == 0)
+        ASN1_item_ex_free(pval, it);
     if (errtt)
         ERR_add_error_data(4, "Field=", errtt->field_name,
                            ", Type=", it->sname);
@@ -689,7 +692,7 @@ static int asn1_template_noexp_d2i(ASN1_VALUE **va
     } else {
         /* Nothing special */
         ret = ASN1_item_ex_d2i(val, &p, len, ASN1_ITEM_ptr(tt->item),
-                               -1, 0, opt, ctx);
+                               -1, tt->flags & ASN1_TFLG_COMBINE, opt, ctx);
         if (!ret) {
             ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I, ERR_R_NESTED_ASN1_ERROR);
             goto err;
Index: crypto/openssl/crypto/rsa/rsa_ameth.c
===================================================================
--- crypto/openssl/crypto/rsa/rsa_ameth.c	(revision 291751)
+++ crypto/openssl/crypto/rsa/rsa_ameth.c	(working copy)
@@ -279,7 +279,7 @@ static RSA_PSS_PARAMS *rsa_pss_decode(const X509_A
     if (pss->maskGenAlgorithm) {
         ASN1_TYPE *param = pss->maskGenAlgorithm->parameter;
         if (OBJ_obj2nid(pss->maskGenAlgorithm->algorithm) == NID_mgf1
-            && param->type == V_ASN1_SEQUENCE) {
+            && param && param->type == V_ASN1_SEQUENCE) {
             p = param->value.sequence->data;
             plen = param->value.sequence->length;
             *pmaskHash = d2i_X509_ALGOR(NULL, &p, plen);