CVE-2020-22023: Buffer Overflow

Published May 27, 2021
·
Updated

A heap-based Buffer Overflow vulnerabililty exists in FFmpeg 4.2 in filterframe at libavfilter/vfbitplanenoise.c, which might lead to memory corruption and other potential consequences.

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

Event History

May 27, 2021
CVE Published
via MITRE·06:13 PM
Data Sourced
via MITRE·06:13 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·11:45 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·02:25 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the vulnerability ID for this heap-based Buffer Overflow vulnerability?

The vulnerability ID is CVE-2020-22023.

2

Where does the heap-based Buffer Overflow vulnerability exist in FFmpeg 4.2?

The vulnerability exists in the filter_frame function at libavfilter/vf_bitplanenoise.c in FFmpeg 4.2.

3

What are the potential consequences of the heap-based Buffer Overflow vulnerability?

The potential consequences include memory corruption and other issues.

4

Which versions of FFmpeg are affected by this vulnerability?

FFmpeg versions 3.4.11-0ubuntu0.1, 4.2.7-0ubuntu0.1, 4.3, and various versions in the Debian repository are affected.

5

Where can I find more information about this vulnerability?

More information about this vulnerability can be found at the following references: [CVE-2020-22023](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22023), [FFmpeg Ticket #8244](https://trac.ffmpeg.org/ticket/8244), and [Ubuntu Security Notice USN-5472-1](https://ubuntu.com/security/notices/USN-5472-1).

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