Debian Linux Security Advisory 5779-1 – Simone Margaritelli reported that cups, the Common UNIX Printing System, does not properly sanitize IPP attributes when creating PPD files, which may result in the execution of arbitrary code.Debian Linux Security Advisory 5779-1 – Simone Margaritelli reported that cups, the Common UNIX Printing System, does not properly sanitize IPP attributes when creating PPD files, which may result in the execution of arbitrary code.