CVE-2021-42390
MEDIUMClickHouse < 21.10.2.15 - Denial of Service via DeltaDouble Compression Codec
Title source: llmDescription
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.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms
Scores
CVSS v3
6.5
EPSS
0.0124
EPSS Percentile
65.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-369
Status
published
Products (1)
clickhouse/clickhouse
< 21.10.2.15
Published
Mar 14, 2022
Tracked Since
Feb 18, 2026