---
title: "CVE-2020-9633\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-2020-9633?format=md
keywords: index, follow
---

# CVE-2020-9633

Publication date 12 June 2020

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**9.8 · Critical**

[Score breakdown](https://ubuntu.com/security/CVE-2020-9633?format=md#impact-score)

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## Description

Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash
Player for Google Chrome 32.0.0.371 and earlier, and Adobe Flash Player for
Microsoft Edge and Internet Explorer 32.0.0.330 and earlier have an use
after free vulnerability. Successful exploitation could lead to arbitrary
code execution.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| adobe-flashplugin | 20.04 LTS focal | Not in release |
| 19.10 eoan | Fixed 1:20200609.1-0ubuntu0.19.10.1 |
| 18.04 LTS bionic | Fixed 1:20200609.1-0ubuntu0.18.04.1 |
| 16.04 LTS xenial | Fixed 1:20200609.1-0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Not in release |
| flashplugin-nonfree | 20.04 LTS focal | Fixed 32.0.0.387ubuntu0.20.04.1 |
| 19.10 eoan | Fixed 32.0.0.387ubuntu0.19.10.1 |
| 18.04 LTS bionic | Fixed 32.0.0.387ubuntu0.18.04.1 |
| 16.04 LTS xenial | Fixed 32.0.0.387ubuntu0.16.04.1 |
| 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**

9.8 · Critical

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 9.8 · Critical |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9633)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2020-9633)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2020-9633)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2020-9633)

### Other references

* <https://helpx.adobe.com/security/products/flash-player/apsb20-30.html>
* <https://security.gentoo.org/glsa/202006-09>
* <https://www.cve.org/CVERecord?id=CVE-2020-9633>