Provide references for CVE-2018-20340.
Where can I find more information about CVE-2018-20340?
References are available at: https://seclists.org/bugtraq/2019/Feb/23, https://www.debian.org/security/2019/dsa-4389, https://www.yubico.com/support/security-advisories/ysa-2019-01/, https://developers.yubico.com/libu2f-host/Release_Notes.html, https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part1/, https://security.gentoo.org/glsa/202004-15.