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CVE-2021-42390

nvd nist
Published: Mar 14, 2022Modified: Jun 25, 2025

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

Divide-by-zero in Clickhouse's DeltaDouble 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 (1)

Clickhouse
1 product
Clickhouse
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Clickhouse
Before 21.10.2.15

Related CWEs

CWE-369
Divide By Zero
The product divides a value by zero.

References (2)

Source: reefs@jfrog.com
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.