Description
Divide-by-zero in Clickhouse's Delta 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.
Scores
CVSS v3
6.5
EPSS
0.0055
EPSS Percentile
68.0%
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