Provide references for CVE-2021-26567.
Where can I find more information about CVE-2021-26567?
References are available at: https://www.synology.com/security/advisory/Synology_SA_20_26, https://github.com/knik0/faad2/commit/720f7004d6c4aabee19aad16e7c456ed76a3ebfa.