CVE-2020-22033: Buffer Overflow
First published: Thu May 27 2021(Updated: )
A heap-based Buffer Overflow Vulnerability exists FFmpeg 4.2 at libavfilter/vf_vmafmotion.c in convolution_y_8bit, which could let a remote malicious user cause a Denial of Service.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/ffmpeg | 7:4.3.7-0+deb11u1 7:4.3.8-0+deb11u1 7:5.1.6-0+deb12u1 7:7.0.2-3 7:7.1-3 | |
| FFmpeg | =4.2 | |
| Debian Debian Linux | =10.0 |
Remedy
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=82ad1b76751bcfad5005440db48c46a4de5d6f02
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Reference Links
- https://trac.ffmpeg.org/ticket/8246
- https://www.debian.org/security/2021/dsa-4990
- https://cwe.mitre.org/data/definitions/122.html
- https://launchpad.net/bugs/cve/CVE-2020-22033
- https://trac.ffmpeg.org/ticket/8241
- https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=82ad1b76751bcfad5005440db48c46a4de5d6f02
- https://security-tracker.debian.org/tracker/CVE-2020-22033
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22033
- https://nvd.nist.gov/vuln/detail/CVE-2020-22033
- https://ubuntu.com/security/CVE-2020-22033
Frequently Asked Questions
What is CVE-2020-22033?
CVE-2020-22033 is a heap-based buffer overflow vulnerability in FFmpeg 4.2 at libavfilter/vf_vmafmotion.c.
How does CVE-2020-22033 impact the system?
CVE-2020-22033 could allow a remote malicious user to cause a denial of service (DoS) on the system.
Which software versions are affected by CVE-2020-22033?
The affected software versions include FFmpeg 4.4.2-0ubuntu0.21.10.1, 3.4.11-0ubuntu0.1, 4.2.7-0ubuntu0.1, and 4.4.1.
How can I fix CVE-2020-22033 on Ubuntu?
To fix CVE-2020-22033 on Ubuntu, you should update FFmpeg to version 4.4.2-0ubuntu0.21.10.1, 3.4.11-0ubuntu0.1, or 4.2.7-0ubuntu0.1.
Where can I find more information about CVE-2020-22033?
You can find more information about CVE-2020-22033 on the CVE website (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22033), the FFmpeg trac ticket (https://trac.ffmpeg.org/ticket/8246), and the Ubuntu Security Notice USN-5472-1 (https://ubuntu.com/security/notices/USN-5472-1).
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