{"id":"BIT-clickhouse-2020-26759","details":"clickhouse-driver before 0.1.5 allows a malicious clickhouse server to trigger a crash or execute arbitrary code (on a database client) via a crafted server response, due to a buffer overflow.","aliases":["CVE-2020-26759","GHSA-vgv5-cxvh-vfxh","PYSEC-2021-61"],"modified":"2026-09-08T08:46:24.781934282Z","published":"2024-03-06T10:50:51.666Z","database_specific":{"cpes":["cpe:2.3:a:clickhouse-driver_project:clickhouse-driver:*:*:*:*:*:*:*:*"],"severity":"Critical"},"references":[{"type":"ADVISORY","url":"https://github.com/mymarilyn/clickhouse-driver/commit/3e990547e064b8fca916b23a0f7d6fe8c63c7f6b"},{"type":"ADVISORY","url":"https://github.com/mymarilyn/clickhouse-driver/commit/d708ed548e1d6f254ba81a21de8ba543a53b5598"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26759"}],"affected":[{"package":{"name":"clickhouse","ecosystem":"Bitnami","purl":"pkg:bitnami/clickhouse"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.1.5"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/clickhouse/BIT-clickhouse-2020-26759.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}],"schema_version":"1.9.0"}