This script is Copyright (C) 2015-2016 Tenable Network Security, Inc.
The remote Slackware host is missing a security update.
New libpng packages are available for Slackware 13.0, 13.1, 13.37,
14.0, 14.1, and -current to fix security issues.
See also :
Update the affected libpng package.
Risk factor :
High / CVSS Base Score : 7.5