---
title: "CVE-2020-22016\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-2020-22016?format=md
keywords: index, follow
---

# CVE-2020-22016

Publication date 27 May 2021

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**8.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2020-22016?format=md#impact-score)

Toggle side navigation

## Description

A heap-based Buffer Overflow vulnerability in FFmpeg 4.2 at
libavcodec/get\_bits.h when writing .mov files, which might lead to memory
corruption and other potential consequences.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ffmpeg | 22.04 LTS jammy | Not affected |
| 21.10 impish | Not affected |
| 21.04 hirsute | Not affected |
| 20.10 groovy | Ignored end of life |
| 20.04 LTS focal | Fixed 7:4.2.4-1ubuntu0.1 |
| 18.04 LTS bionic | Fixed 7:3.4.11-0ubuntu0.1 |
| 16.04 LTS xenial | Fixed 7:2.8.17-0ubuntu0.1+esm2  Ubuntu Pro |
| 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)
* [Patch details](https://ubuntu.com/security/CVE-2020-22016?format=md#patch-details)

### Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

[Get Ubuntu Pro](https://ubuntu.com/pro)
[30-day free trial](https://ubuntu.com/pro/free-trial)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| ffmpeg | * Upstream:   <https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=58aa0ed8f10753ee90f4a4a1f4f3da803cf7c145> |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | 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 | 8.8 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/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-2020-22016)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2020-22016)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2020-22016)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2020-22016)

### Related Ubuntu Security Notices (USN)

+ [USN-5472-1](https://usn.ubuntu.com/USN-5472-1)
+ FFmpeg vulnerabilities
+ 8 June 2022

+ [USN-5167-1](https://usn.ubuntu.com/USN-5167-1)
+ FFmpeg vulnerabilities
+ 13 June 2022

### Other references

* <https://trac.ffmpeg.org/ticket/8183>
* <https://www.cve.org/CVERecord?id=CVE-2020-22016>