{"id":"CVE-2019-16535","aliases":["EUVD-2019-7209","GHSA-x3fg-74w9-f5r4"],"status":"published","title":"In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in...","description":"In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in decompression algorithms can be used to achieve RCE or DoS via native protocol.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01695,"percentile":0.77307,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-191","CWE-787"],"published":"2019-12-30T14:35:21Z","modified":"2026-06-17T02:22:23Z","products":[{"vendor":"clickhouse","product":"clickhouse"}],"references":[{"url":"https://clickhouse.yandex/docs/en/security_changelog/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16535"},{"url":"https://clickhouse.yandex/docs/en/security_changelog"},{"url":"https://github.com/advisories/GHSA-x3fg-74w9-f5r4"}],"sources":{"cve":[{"id":"CVE-2019-16535","description":"In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in decompression algorithms can be used to achieve RCE or DoS via native protocol.","status":"published","published":"2019-12-30T14:35:21Z","modified":"2024-08-05T01:17:40.278Z","updated_at":"2026-11-02T14:32:23.485011Z"}],"euvd":[{"id":"EUVD-2019-7209","description":"In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in decompression algorithms can be used to achieve RCE or DoS via native protocol.","status":"published","published":"2019-12-30T14:35:21Z","modified":"2024-08-05T01:17:40Z","updated_at":"2026-11-03T02:40:32.752495Z"}],"ghsa":[{"id":"GHSA-x3fg-74w9-f5r4","title":"In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in...","description":"In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in decompression algorithms can be used to achieve RCE or DoS via native protocol.","status":"published","published":"2022-05-24T17:05:15Z","modified":"2025-06-25T21:32:04Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:02:48.872885Z"}],"nvd":[{"id":"CVE-2019-16535","description":"In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in decompression algorithms can be used to achieve RCE or DoS via native protocol.","status":"published","published":"2019-12-30T15:15:10.673Z","modified":"2026-06-17T02:22:23.22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-125","CWE-191","CWE-787"],"updated_at":"2026-11-02T14:05:41.313583Z"}]}}