---
title: "CVE-2018-25223\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-2018-25223?format=md
keywords: index, follow
---

# CVE-2018-25223

Publication date 28 March 2026

Last updated 10 July 2026

---

Ubuntu priority

**High**

[Why this priority?](https://ubuntu.com/security/CVE-2018-25223?format=md#priority-reason )

## Cvss 3 Severity Score

**9.8 · Critical**

[Score breakdown](https://ubuntu.com/security/CVE-2018-25223?format=md#impact-score)

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## Description

Crashmail 1.6 contains a stack-based buffer overflow vulnerability that
allows remote attackers to execute arbitrary code by sending malicious
input to the application. Attackers can craft payloads with ROP chains to
achieve code execution in the application context, with failed attempts
potentially causing denial of service.

### Why is this CVE high priority?

remote-code-execution

[Learn more about Ubuntu priority](https://ubuntu.com/security/cves/about#priority)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| crashmail | 26.04 LTS resolute | Needs evaluation |
| 25.10 questing | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |

---

* [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 v4.0

[CVSS v4.0](https://ubuntu.com/security/CVE-2018-25223?format=md)
[CVSS v3.0](https://ubuntu.com/security/CVE-2018-25223?format=md)

**Base score**

9.3 · Critical

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Attack requirements | None |
  | Privileges required | None |
  | User interaction | None |
  | Vulnerable system - Confidentiality impact | High |
  | Vulnerable system - Integrity impact | High |
  | Vulnerable system - Availability impact | High |
  | Subsequent system - Confidentiality impact | None |
  | Subsequent system - Integrity impact | None |
  | Subsequent system - Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 9.3 · Critical |
  | Base + Threat score | - |
  | Base + Environmental score | - |
  | Base + Threat + Environmental score | - |

**Vector:** CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25223)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-25223)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-25223)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-25223)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2018-25223>
* <https://www.exploit-db.com/exploits/44331>
* <http://exploitpack.com>
* <http://ftnapps.sourceforge.net/crashmail.html>
* <https://www.vulncheck.com/advisories/crashmail-stack-based-buffer-overflow-remote-code-execution>