{"action":"Upgrade python-clickhouse-driver to 0.2.0-1 or later.","affected":[{"fixed":"0.2.0-1","introduced":"0"}],"component":"python-clickhouse-driver","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["0.2.0-1"],"id":"tcs_01M5NEXDW43WE2D2PTJC2E83V0","modified_at":"2026-09-11T11:02:44.140998181Z","published_at":"2021-01-06T13:15:13.783Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-26759","https://security-tracker.debian.org/tracker/CVE-2020-26759"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-26759#Debian:14/python-clickhouse-driver","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-26759"}],"summary":"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."}