CVE-2020-22046: 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 avprivfloatdspallocl function in libavutil/floatdsp.c.

Affected Software

3 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

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·03:10 PM

Data Sourced

via MITRE·03:10 PM

Description

Data Sourced

via OSV·04:15 PM

DescriptionSeverity

Frequently Asked Questions

What is CVE-2020-22046?

CVE-2020-22046 is a Denial of Service vulnerability in FFmpeg 4.2 due to a memory leak in the avpriv_float_dsp_allocl function.

What is the severity of CVE-2020-22046?

The severity of CVE-2020-22046 is not specified.

How does CVE-2020-22046 affect FFmpeg?

CVE-2020-22046 affects FFmpeg 4.2.

How can I fix CVE-2020-22046 on Ubuntu?

To fix CVE-2020-22046 on Ubuntu, update to version 7:4.2.4-1ubuntu0.1 of the ffmpeg package.

Where can I find more information about CVE-2020-22046?

You can find more information about CVE-2020-22046 on the following references: [CVE Mitre](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22046), [FFmpeg Ticket](https://trac.ffmpeg.org/ticket/8294), [Ubuntu Security Notice](https://ubuntu.com/security/notices/USN-5167-1).