Provide references for CVE-2019-19246.
Where can I find more information about CVE-2019-19246?
References are available at: https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b, https://bugs.php.net/bug.php?id=78559, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/, https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html, https://usn.ubuntu.com/4460-1/.