Provide references for CVE-2019-9744.
Where can I find more information about CVE-2019-9744?
References are available at: https://cert.vde.com/de-de/advisories/vde-2019-006, https://ics-cert.us-cert.gov/advisories/ICSA-19-155-02, http://www.securityfocus.com/bid/108576.