CVE-2021-42390

EUVD-2021-29361
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
Affected Products (NVD)
VendorProductVersion
clickhouseclickhouse
𝑥
< 21.10.2.15
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
clickhouse
bookworm
18.16.1+ds-7.3
fixed
bullseye
18.16.1+ds-7.2+deb11u1
fixed