Provide references for CVE-2020-26257.
Where can I find more information about CVE-2020-26257?
References are available at: https://github.com/matrix-org/synapse/security/advisories/GHSA-hxmp-pqch-c8mm, https://github.com/matrix-org/synapse/pull/8776, https://github.com/matrix-org/synapse/commit/3ce2f303f15f6ac3dc352298972dc6e04d9b7a8b, https://github.com/matrix-org/synapse/blob/develop/CHANGES.md#synapse-1231-2020-12-09, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR4MMYZKX5N5GYGH4H5LBUUC5TLAFHI7/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DBTIU3ZNBFWZ56V4X7JIAD33V5H2GOMC/.