--- cups-2.3.1/scheduler/job.c.orig	2020-04-13 22:03:43.447639630 +0200
+++ cups-2.3.1/scheduler/job.c	2020-04-14 06:17:15.043886518 +0200
@@ -1340,7 +1340,7 @@
       else if (stat(command, &backinfo))
 	backroot = 0;
       else
-        backroot = !(backinfo.st_mode & (S_IWGRP | S_IRWXO));
+        backroot = !(backinfo.st_mode & (S_IWGRP | S_IWOTH | S_IXOTH));
 
       argv[0] = job->printer->sanitized_device_uri;