Unrated severityNVD Advisory· Published Mar 14, 2022· Updated Aug 4, 2024
CVE-2021-42391
CVE-2021-42391
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- yandex/clickhousev5Range: unspecified
Patches
Vulnerability mechanics
References
1- jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbmsmitrex_refsource_MISC
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