Provide references for CVE-2019-18657.
Where can I find more information about CVE-2019-18657?
References are available at: https://github.com/ClickHouse/ClickHouse/pull/6466, https://github.com/ClickHouse/ClickHouse/blob/master/CHANGELOG.md, https://github.com/ClickHouse/ClickHouse/pull/7526/files.