CVE-2021-42391

CVE-2021-42391

Vendor Yandex

Product clickhouse

Weakness CWE-369

Published March 14, 2022

Last update August 4, 2024

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

Divide-by-zero in Clickhouse's Gorilla 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.

Key dates

02Disclosure timeline

March 14, 2022 CVE published

August 4, 2024 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-42391 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/369.html

Related vulnerabilities

01Description

02Disclosure timeline

03References

04Related CVE