---
title: "CVE-2024-42008\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-2024-42008?format=md
keywords: index, follow
---

# CVE-2024-42008

Publication date 5 August 2024

Last updated 29 April 2026

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**9.3 · Critical**

[Score breakdown](https://ubuntu.com/security/CVE-2024-42008?format=md#impact-score)

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## Description

A Cross-Site Scripting vulnerability in rcmail\_action\_mail\_get->run() in
Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to
steal and send emails of a victim via a malicious e-mail attachment served
with a dangerous Content-Type header.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| roundcube | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not affected |
| 25.04 plucky | Not affected |
| 24.10 oracular | Not affected |
| 24.04 LTS noble | Fixed 1.6.6+dfsg-2ubuntu0.1+esm3  Ubuntu Pro |
| 22.04 LTS jammy | Fixed 1.5.0+dfsg.1-2ubuntu0.1~esm6  Ubuntu Pro |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |

---

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

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## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

9.3 · Critical

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 9.3 · Critical |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-42008)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2024-42008)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2024-42008)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2024-42008)

### Related Ubuntu Security Notices (USN)

+ [USN-8223-1](https://usn.ubuntu.com/USN-8223-1)
+ Roundcube Webmail vulnerabilities
+ 29 April 2026

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2024-42008>
* <https://github.com/roundcube/roundcubemail/commit/89c8fe9ae9318c015807fbcbf7e39555fb30885d>
* <https://github.com/roundcube/roundcubemail/releases>
* <https://sonarsource.com/blog/government-emails-at-risk-critical-cross-site-scripting-vulnerability-in-roundcube-webmail/>
* <https://github.com/roundcube/roundcubemail/releases/tag/1.5.8>
* <https://github.com/roundcube/roundcubemail/releases/tag/1.6.8>
* <https://roundcube.net/news/2024/08/04/security-updates-1.6.8-and-1.5.8>