Provide references for CVE-2021-44026.
Where can I find more information about CVE-2021-44026?
References are available at: https://bugs.debian.org/1000156, https://github.com/roundcube/roundcubemail/commit/c8947ecb762d9e89c2091bda28d49002817263f1, https://github.com/roundcube/roundcubemail/commit/ee809bde2dcaa04857a919397808a7296681dcfa, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TP3Y5RXTUUOUODNG7HFEKWYNIPIT2NL4/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDVGIZMQJ5IOM47Y3SAAJRN5VPANKTKO/, https://www.debian.org/security/2021/dsa-5013, https://lists.debian.org/debian-lts-announce/2021/12/msg00004.html.