Provide references for CVE-2021-27291.
Where can I find more information about CVE-2021-27291?
References are available at: https://gist.github.com/b-c-ds/b1a2cc0c68a35c57188575eb496de5ce, https://github.com/pygments/pygments/commit/2e7e8c4a7b318f4032493773732754e418279a14, https://lists.debian.org/debian-lts-announce/2021/03/msg00024.html, https://www.debian.org/security/2021/dsa-4878, https://www.debian.org/security/2021/dsa-4889, https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GSJRFHALQ7E3UV4FFMFU2YQ6LUDHAI55/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSLD67LFGXOX2K5YNESSWAS4AGZIJTUQ/, https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html.