Provide references for CVE-2018-15686.
Where can I find more information about CVE-2018-15686?
References are available at: https://security.gentoo.org/glsa/201810-10, https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html, http://www.securityfocus.com/bid/105747, https://www.exploit-db.com/exploits/45714/, https://usn.ubuntu.com/3816-1/, https://access.redhat.com/errata/RHSA-2019:2091, https://access.redhat.com/errata/RHSA-2019:3222, https://access.redhat.com/errata/RHSA-2020:0593, https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E, https://www.oracle.com//security-alerts/cpujul2021.html, https://github.com/systemd/systemd/pull/10519.