CVEvulnerability
CVE-2021-42389
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-03-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-369
Description
Divide-by-zero in Clickhouse's Delta compression codec when parsing a malicious query. The first byte of the compressed buffer is used in a modulo operation without being checked for 0.
Affected configurations
• clickhouse clickhouse (< 21.10.2.15)
Related
Weakness · CWE (1)
- CWE-369 Divide By Zero weakness
References
- https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms Exploit, Third Party Advisory
- https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms Exploit, Third Party Advisory