CVE-2020-22024: Buffer Overflow
First published: Wed May 26 2021(Updated: )
Buffer Overflow vulnerability in FFmpeg 4.2 at the lagfun_frame16 function in libavfilter/vf_lagfun.c, which could let a remote malicious user cause Denial of Service.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FFmpeg FFmpeg | =4.2 | |
| 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 |
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Reference Links
- https://trac.ffmpeg.org/ticket/8310
- https://launchpad.net/bugs/cve/CVE-2020-22024
- https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=723d69f99cd26db9687ed2d24d06afaff624daf3
- https://security-tracker.debian.org/tracker/CVE-2020-22024
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22024
- https://nvd.nist.gov/vuln/detail/CVE-2020-22024
- https://ubuntu.com/security/CVE-2020-22024
Frequently Asked Questions
What is CVE-2020-22024?
CVE-2020-22024 is a buffer overflow vulnerability in FFmpeg 4.2 at the lagfun_frame16 function in libavfilter/vf_lagfun.c.
What is the impact of CVE-2020-22024?
CVE-2020-22024 could allow a remote malicious user to cause a Denial of Service.
Which software versions are affected by CVE-2020-22024?
FFmpeg 4.2 versions up to and including 7:4.2.7-0ubuntu0.1+ on Ubuntu, and various versions on Debian including 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.
How can I fix CVE-2020-22024 on Ubuntu?
To fix CVE-2020-22024 on Ubuntu, update the ffmpeg package to version 7:4.2.7-0ubuntu0.1+ or later.
How can I fix CVE-2020-22024 on Debian?
To fix CVE-2020-22024 on Debian, update the ffmpeg package to one of the following versions: 7:4.1.9-0+deb10u1, 7:4.1.11-0+deb10u1, 7:4.3.6-0+deb11u1, 7:5.1.3-1, or 7:6.0-7.
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