CVE-2020-22016

Name: CVE-2020-22016
Creator: NVD / NIST
Published: 2021-05-27T19:15:07.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.59%

Last modified Jun 17, 2026

CVE-2020-22016 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 1.59% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.59%

72.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Ffmpeg	Ffmpeg	4.2
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing List, Third Party Advisory
https://trac.ffmpeg.org/ticket/8183Exploit, Issue Tracking, Vendor Advisory
https://www.debian.org/security/2021/dsa-4990Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing List, Third Party Advisory
https://trac.ffmpeg.org/ticket/8183Exploit, Issue Tracking, Vendor Advisory
https://www.debian.org/security/2021/dsa-4990Third Party Advisory

Timeline

Published: May 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-22016?

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.

How severe is CVE-2020-22016?

CVE-2020-22016 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.59% probability of exploitation in the next 30 days.

How do I fix CVE-2020-22016?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-22016?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST