Provide references for CVE-2021-25833.
Where can I find more information about CVE-2021-25833?
References are available at: https://github.com/ONLYOFFICE/DocumentServer, https://github.com/ONLYOFFICE/server, https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200, https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L593, https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L283, https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833.