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Status published
Medium
CVE-2021-42391
Divide-by-zero in Clickhouse's Gorilla compression codec when parsing a malicious...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
yandex
View all reports →Affected Software
clickhouse
Vulnerable Versions:
unspecified
Timeline
Official Publish:
March 14th, 2022
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H