The following versions of ClickHouse server are currently being supported with security updates:
| Version | Supported |
|---|---|
| 1.x | ❌ |
| 18.x | ❌ |
| 19.x | ❌ |
| 19.14 | ✅ |
| 20.1 | ❌ |
| 20.3 | ✅ |
| 20.4 | ✅ |
| 20.5 | ✅ |
To report a potential vulnerability in ClickHouse please use the security advisory feature of GitHub: https://github.com/ClickHouse/ClickHouse/security/advisories