Provide references for CVE-2017-12868.
Where can I find more information about CVE-2017-12868?
References are available at: https://simplesamlphp.org/security/201705-01, https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html, https://github.com/simplesamlphp/simplesamlphp/commit/4bc629658e7b7d17c9ac3fe0da7dc5df71f1b85e, https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html.