CVE-2020-22054: Medium severity FFmpeg FFmpeg vulnerability

Published Jun 2, 2021

Updated

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the avdictset function in dict.c.

Affected Software

4 affected componentsFixes available

debian/ffmpeg

7:4.3.7-0+deb11u17:4.3.8-0+deb11u17:5.1.6-0+deb12u17:7.0.2-37:7.1-3

FFmpeg FFmpeg=4.2

Debian Debian Linux=9.0

Debian Debian Linux=10.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade debian/ffmpeg to a version that resolves this vulnerability.
Fixed in 7:4.3.7-0+deb11u1Fixed in 7:4.3.8-0+deb11u1Fixed in 7:5.1.6-0+deb12u1Fixed in 7:7.0.2-3Fixed in 7:7.1-3

Event History

Jun 2, 2021

CVE Published

via MITRE·05:34 PM

Data Sourced

via MITRE·05:34 PM

Description

Data Sourced

via OSV·06:15 PM

DescriptionSeverity

Frequently Asked Questions

What is CVE-2020-22054?

CVE-2020-22054 is a Denial of Service vulnerability in FFmpeg 4.2 due to a memory leak in the av_dict_set function in dict.c.

How does CVE-2020-22054 affect FFmpeg?

CVE-2020-22054 affects FFmpeg 4.2.

What is the severity of CVE-2020-22054?

The severity of CVE-2020-22054 is not specified.

How can I fix CVE-2020-22054 in Ubuntu?

To fix CVE-2020-22054 in Ubuntu, update the ffmpeg package to version 7:3.4.8-0ubuntu0.2 for Bionic, 7:4.2.4-1ubuntu0.1 for Focal, or 7:2.8.17-0ubuntu0.1+ for Xenial.

How can I fix CVE-2020-22054 in Debian?

To fix CVE-2020-22054 in Debian, update the ffmpeg package to version 7:4.1.9-0+deb10u1, 7:4.1.11-0+deb10u1, 7:4.3.6-0+deb11u1, 7:5.1.3-1, or 7:6.0-7.