CVE-2022-44010: Clickhouse

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in ClickHouse before 22.9.1.2603. An attacker could send a crafted HTTP request to the HTTP Endpoint (usually listening on port 8123 by default), causing a heap-based buffer overflow that crashes the process. This does not require authentication. The fixed versions are 22.9.1.2603, 22.8.2.11, 22.7.4.16, 22.6.6.16, and 22.3.12.19.

Affected products

• Clickhouse Clickhouse: before 22.3.12.19 (fixed in 22.3.12.19); from 22.6, before 22.6.6.16 (fixed in 22.6.6.16); from 22.7, before 22.7.4.16 (fixed in 22.7.4.16); from 22.8, before 22.8.2.11 (fixed in 22.8.2.11); from 22.9, before 22.9.1.2603 (fixed in 22.9.1.2603)

Published 2023-11-23. Last modified 2026-06-17.