system
Provide references for <CVE-2019-18657>.
user
Where can I find more information about <CVE-2019-18657>?
assistant
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.