Provide references for CVE-2019-6530.
Where can I find more information about CVE-2019-6530?
References are available at: https://ics-cert.us-cert.gov/advisories/ICSA-19-157-02, http://www.securityfocus.com/bid/108683, https://www.zerodayinitiative.com/advisories/ZDI-19-565/, https://www.zerodayinitiative.com/advisories/ZDI-19-567/.