Index: b/cipher/pubkey.c
===================================================================
--- b/cipher/pubkey.c
+++ b/cipher/pubkey.c
@@ -3620,6 +3620,7 @@
       if (!arg_list)
         {
           rc = gpg_err_code_from_syserror ();
+          gcry_free (string)
           goto leave;
         }
       for (i = j = 0; i < elem_n; i++)