Provide references for CVE-2018-20843.
Where can I find more information about CVE-2018-20843?
References are available at: https://usn.ubuntu.com/4040-1/, https://usn.ubuntu.com/4040-2/, https://www.debian.org/security/2019/dsa-4472, https://seclists.org/bugtraq/2019/Jun/39, https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/, http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html, https://security.gentoo.org/glsa/201911-08, https://www.oracle.com/security-alerts/cpuapr2020.html, https://www.oracle.com/security-alerts/cpuoct2020.html, https://github.com/libexpat/libexpat/issues/186, https://github.com/libexpat/libexpat/pull/262, https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6, https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes, https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226, https://security.netapp.com/advisory/ntap-20190703-0001/, https://support.f5.com/csp/article/K51011533, https://www.oracle.com/security-alerts/cpuApr2021.html, https://www.oracle.com/security-alerts/cpuoct2021.html, https://www.tenable.com/security/tns-2021-11.