Provide references for CVE-2019-15619.
Where can I find more information about CVE-2019-15619?
References are available at: https://hackerone.com/reports/662204, https://nextcloud.com/security/advisory/?id=NC-SA-2020-008, https://nextcloud.com/security/advisory/?id=NC-SA-2020-009, https://nextcloud.com/security/advisory/?id=NC-SA-2020-010.