CVE-2021-42389

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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:clickhouse:clickhouse:*:*:*:*:*:*:*:*

History

25 Jun 2025, 20:49

Type Values Removed Values Added
First Time Clickhouse clickhouse
Clickhouse
CPE cpe:2.3:a:yandex:clickhouse:*:*:*:*:*:*:*:* cpe:2.3:a:clickhouse:clickhouse:*:*:*:*:*:*:*:*

21 Nov 2024, 06:27

Type Values Removed Values Added
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

Information

Published : 2022-03-14 23:15

Updated : 2025-06-25 20:49


NVD link : CVE-2021-42389

Mitre link : CVE-2021-42389

CVE.ORG link : CVE-2021-42389


JSON object : View

Products Affected

clickhouse

  • clickhouse
CWE
CWE-369

Divide By Zero