Provide references for CVE-2018-12421.
Where can I find more information about CVE-2018-12421?
References are available at: https://github.com/ltb-project/self-service-password/issues/211, https://lists.ltb-project.org/pipermail/ltb-announce/2018-June/000023.html, https://github.com/ltb-project/self-service-password/issues/209.