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CVE-2024-6873
ClickHouse vulnerability analysis and mitigation

It is possible to crash or redirect the execution flow of the ClickHouse server process from an unauthenticated vector by sending a specially crafted request to the ClickHouse server native interface. This redirection is limited to what is available within a 256-byte range of memory at the time of execution, and no known remote code execution (RCE) code has been produced or exploited.

 Fixes have been merged to all currently supported version of ClickHouse. If you are maintaining your own forked version of ClickHouse or using an older version and cannot upgrade, the fix for this vulnerability can be found in this commit  https://github.com/ClickHouse/ClickHouse/pull/64024 .

Linux Distribution fix status

Fix availability across major Linux distributions and their releases.

Debian

Fixed

bookworm

clickhouse

Fixed

bullseye

clickhouse

Fixed

SourceNVD

Related ClickHouse vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2019-16536HIGH8.2
  • ClickHouse logoClickHouse
  • clickhouse
NoYesMay 21, 2025
CVE-2024-6873HIGH8.1
  • ClickHouse logoClickHouse
  • clickhouse
NoNoAug 01, 2024
CVE-2025-1385HIGH7.5
  • ClickHouse logoClickHouse
  • clickhouse
NoNoMar 20, 2025
CVE-2024-41436HIGH7.5
  • ClickHouse logoClickHouse
  • clickhouse
NoYesSep 03, 2024
CVE-2025-52969NONEN/A
  • ClickHouse logoClickHouse
  • clickhouse
NoNoJun 23, 2025

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