{"id":"UBUNTU-CVE-2019-16536","details":"Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3.","modified":"2025-10-24T04:47:53Z","published":"2025-05-21T08:15:00Z","upstream":["CVE-2019-16536"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-16536"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-16536"},{"type":"REPORT","url":"https://clickhouse.com/docs/whats-new/security-changelog"}],"affected":[{"package":{"name":"clickhouse","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/clickhouse@18.16.1+ds-7ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["18.16.1+ds-5","18.16.1+ds-5ubuntu1","18.16.1+ds-5ubuntu2","18.16.1+ds-6ubuntu1","18.16.1+ds-7","18.16.1+ds-7ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"clickhouse-client","binary_version":"18.16.1+ds-7ubuntu0.1"},{"binary_name":"clickhouse-common","binary_version":"18.16.1+ds-7ubuntu0.1"},{"binary_name":"clickhouse-server","binary_version":"18.16.1+ds-7ubuntu0.1"},{"binary_name":"clickhouse-tools","binary_version":"18.16.1+ds-7ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-16536.json"}},{"package":{"name":"clickhouse","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/clickhouse@18.16.1+ds-7.4build2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["18.16.1+ds-7.4","18.16.1+ds-7.4build1","18.16.1+ds-7.4build2"],"ecosystem_specific":{"binaries":[{"binary_name":"clickhouse-client","binary_version":"18.16.1+ds-7.4build2"},{"binary_name":"clickhouse-common","binary_version":"18.16.1+ds-7.4build2"},{"binary_name":"clickhouse-server","binary_version":"18.16.1+ds-7.4build2"},{"binary_name":"clickhouse-tools","binary_version":"18.16.1+ds-7.4build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-16536.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H"},{"type":"Ubuntu","score":"medium"}]}