{"id":"GHSA-vgv5-cxvh-vfxh","summary":"Arbitrary code execution in clickhouse-driver","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":["BIT-clickhouse-2020-26759","CVE-2020-26759","PYSEC-2021-61"],"modified":"2025-02-15T05:29:12.929414Z","published":"2021-04-07T20:50:57Z","database_specific":{"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2021-04-06T23:25:07Z","nvd_published_at":"2021-01-06T13:15:00Z","cwe_ids":["CWE-120"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26759"},{"type":"WEB","url":"https://github.com/mymarilyn/clickhouse-driver/commit/3e990547e064b8fca916b23a0f7d6fe8c63c7f6b"},{"type":"WEB","url":"https://github.com/mymarilyn/clickhouse-driver/commit/d708ed548e1d6f254ba81a21de8ba543a53b5598"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-vgv5-cxvh-vfxh"},{"type":"PACKAGE","url":"https://github.com/mymarilyn/clickhouse-driver"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/clickhouse-driver/PYSEC-2021-61.yaml"}],"affected":[{"package":{"name":"clickhouse-driver","ecosystem":"PyPI","purl":"pkg:pypi/clickhouse-driver"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.5"}]}],"versions":["0.0.10","0.0.11","0.0.12","0.0.13","0.0.14","0.0.15","0.0.16","0.0.17","0.0.18","0.0.19","0.0.2","0.0.20","0.0.3","0.0.4","0.0.5","0.0.6","0.0.7","0.0.8","0.0.9","0.1.0","0.1.1","0.1.2","0.1.3","0.1.4"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/04/GHSA-vgv5-cxvh-vfxh/GHSA-vgv5-cxvh-vfxh.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}