diff -up mutt-1.10.1/crypt-gpgme.c.mutt-1.9.3-1_coverity_76 mutt-1.10.1/crypt-gpgme.c

--- mutt-1.10.1/crypt-gpgme.c.mutt-1.9.3-1_coverity_76	2018-10-25 14:45:49.563438618 +0200

+++ mutt-1.10.1/crypt-gpgme.c	2018-10-25 14:51:49.293461260 +0200

@@ -562,6 +562,7 @@ static char *data_object_to_tempfile (gp

   char tempfb[_POSIX_PATH_MAX];

   FILE *fp;

   size_t nread = 0;

+  char * ret = NULL;

   if (!tempf)

     {

@@ -604,7 +605,15 @@ static char *data_object_to_tempfile (gp

     }

   if (ret_fp)

     *ret_fp = fp;

-  return safe_strdup (tempf);

+

+  if ((ret =  safe_strdup (tempf)) == NULL)

+    {

+      mutt_perror _("Can't allocate memory!");

+      unlink (tempf);

+      safe_fclose (&fp);

+      return NULL;

+    }

+  return ret;

 }