CVE-2020-22044: Medium severity FFmpeg FFmpeg vulnerability

Published Jun 1, 2021

Updated

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the urlopendynbufinternal function in libavformat/aviobuf.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 1, 2021

CVE Published

via MITRE·08:02 PM

Data Sourced

via MITRE·08:02 PM

Description

Data Sourced

via OSV·09:15 PM

DescriptionSeverity

Frequently Asked Questions

What is CVE-2020-22044?

CVE-2020-22044 is a Denial of Service vulnerability in FFmpeg 4.2 due to a memory leak in the url_open_dyn_buf_internal function in libavformat/aviobuf.c.

How does CVE-2020-22044 affect FFmpeg?

CVE-2020-22044 affects FFmpeg 4.2 and can lead to a Denial of Service attack.

Which versions of FFmpeg are affected by CVE-2020-22044?

FFmpeg 4.2 is affected by CVE-2020-22044.

How can I fix the vulnerability CVE-2020-22044?

To fix CVE-2020-22044, upgrade FFmpeg to version 4.3 or higher.

Where can I find more information about CVE-2020-22044?

You can find more information about CVE-2020-22044 at the following references: [CVE Details](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22044), [FFmpeg Trac](https://trac.ffmpeg.org/ticket/8295), [FFmpeg Git Commit](https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=1d479300cbe0522c233b7d51148aea2b29bd29ad).