---
title: "CVE-2024-6873\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2024-6873?format=md
keywords: index, follow
---

# CVE-2024-6873

Publication date 1 August 2024

Last updated 26 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**8.1 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2024-6873?format=md#impact-score)

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## Description

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 .

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| clickhouse | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.10 oracular | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support, was needs-triage |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.1 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | High |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Changed |
  | Confidentiality impact | Low |
  | Integrity impact | Low |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.1 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-6873)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2024-6873)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2024-6873)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2024-6873)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2024-6873>
* <https://github.com/ClickHouse/ClickHouse/security/advisories/GHSA-432f-r822-j66f>