CVE-2020-26759

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CVSS 3.1

9.8 critical

EPSS

3%p84

Published

Jan 6, 2021 (Jan 6, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: clickhouse-driver project
Products: clickhouse-driver
Weakness: CWE-120
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.6%)

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