CVE-2020-22017: Buffer Overflow
First published: Thu May 27 2021(Updated: )
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at ff_fill_rectangle in libavfilter/drawutils.c, which might lead to memory corruption and other potential consequences.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FFmpeg FFmpeg | =4.2 | |
| Debian Debian Linux | =10.0 | |
| debian/ffmpeg | 7:4.3.7-0+deb11u1 7:5.1.6-0+deb12u1 7:7.0.2-3 |
Remedy
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=d4d6b7b0355f3597cad3b8d12911790c73b5f96d
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Reference Links
- https://trac.ffmpeg.org/ticket/8309
- https://www.debian.org/security/2021/dsa-4990
- https://cwe.mitre.org/data/definitions/122.html
- https://launchpad.net/bugs/cve/CVE-2020-22017
- https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=d4d6b7b0355f3597cad3b8d12911790c73b5f96d
- https://security-tracker.debian.org/tracker/CVE-2020-22017
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22017
- https://nvd.nist.gov/vuln/detail/CVE-2020-22017
- https://ubuntu.com/security/CVE-2020-22017
Frequently Asked Questions
What is CVE-2020-22017?
CVE-2020-22017 is a heap-based Buffer Overflow vulnerability in FFmpeg 4.2.
What is the impact of CVE-2020-22017?
The vulnerability could lead to memory corruption and other potential consequences.
Which software versions are affected by CVE-2020-22017?
FFmpeg 4.2 is affected. Specifically, versions 7:3.4.11-0ubuntu0.1, 7:4.2.7-0ubuntu0.1, and 4.3 are affected.
How can I fix CVE-2020-22017?
For Ubuntu, apply the remedies 7:3.4.11-0ubuntu0.1 or 7:4.2.7-0ubuntu0.1. For other affected versions, an upstream remedy of version 4.3 is available. Debian provides remedies such as 7:4.1.9-0+deb10u1, 7:4.1.11-0+deb10u1, 7:4.3.6-0+deb11u1, 7:5.1.3-1, and 7:6.0-7.
Where can I find more information about CVE-2020-22017?
You can find more information about CVE-2020-22017 at the following references: [CVE description](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22017), [FFmpeg ticket](https://trac.ffmpeg.org/ticket/8309), [Ubuntu security notice](https://ubuntu.com/security/notices/USN-5472-1).
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