---
title: "CVE-2018-4878\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-2018-4878?format=md
keywords: index, follow
---

# CVE-2018-4878

Publication date 6 February 2018

Last updated 20 November 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2018-4878?format=md#impact-score)

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## Description

A use-after-free vulnerability was discovered in Adobe Flash Player before
28.0.0.161. This vulnerability occurs due to a dangling pointer in the
Primetime SDK related to media player handling of listener objects. A
successful attack can lead to arbitrary code execution. This was exploited
in the wild in January and February 2018.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| adobe-flashplugin | 17.10 artful | Fixed 1:20180206.1-0ubuntu0.17.10.1 |
| 16.04 LTS xenial | Fixed 1:20180206.1-0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 1:20180206.1-0ubuntu0.14.04.1 |
| flashplugin-nonfree | 17.10 artful | Fixed 28.0.0.161ubuntu0.17.10.1 |
| 16.04 LTS xenial | Fixed 28.0.0.161ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 28.0.0.161ubuntu0.14.04.1 |

---

* [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**

7.8 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.8 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4878)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-4878)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-4878)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-4878)

### Other references

* <https://helpx.adobe.com/security/products/flash-player/apsb18-03.html>
* <https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/>
* <https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html>
* <https://www.trendmicro.com/vinfo/us/security/news/vulnerabilities-and-exploits/north-korean-hackers-allegedly-exploit-adobe-flash-player-vulnerability-cve-2018-4878-against-south-korean-targets>
* <https://www.cve.org/CVERecord?id=CVE-2018-4878>
* <https://www.cisa.gov/known-exploited-vulnerabilities-catalog>