All errata/sisyphus/ALT-PU-2019-3124-2
ALT-PU-2019-3124-2

Package update clickhouse in branch sisyphus

Version19.16.2.2-alt1
Published2026-02-04
Max severityCRITICAL
Severity:

Closed issues (3)

CVE-2019-15024
MEDIUM6.5

In all versions of ClickHouse before 19.14.3, an attacker having write access to ZooKeeper and who is able to run a custom server available from the network where ClickHouse runs, can create a custom-built malicious server that will act as a ClickHouse replica and register it in ZooKeeper. When another replica will fetch data part from the malicious replica, it can force clickhouse-server to write to arbitrary path on filesystem.

Published: 2019-12-30Modified: 2025-06-25
CVSS 2.0MEDIUM 4.0
CVSS:2.0/AV:N/AC:L/Au:S/C:N/I:P/A:N
CVSS 3.xMEDIUM 6.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVE-2019-16536
HIGH8.2

Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3.

Published: 2025-05-21Modified: 2025-06-25
CVSS 3.xHIGH 8.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0HIGH 8.2
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X