Provide references for CVE-2020-21050.
Where can I find more information about CVE-2020-21050?
References are available at: https://cwe.mitre.org/data/definitions/121.html, https://github.com/saitoha/libsixel/blob/master/ChangeLog, https://github.com/saitoha/libsixel/releases/tag/v1.8.5, https://github.com/saitoha/libsixel/issues/75, https://github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd47ee, https://bitbucket.org/netbsd/pkgsrc/commits/a27113e21179cbfbfae0c35f6a9edd6aa498faae.