CVE-2020-22049
First published: Wed Jun 02 2021(Updated: )
A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wtvdec.c.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FFmpeg FFmpeg | =4.2 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| debian/ffmpeg | 7:4.3.7-0+deb11u1 7:5.1.6-0+deb12u1 7:7.0.2-3 |
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Reference Links
- http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=373c1c9b691fd4c6831b3a114a006b639304c2af
- https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
- https://trac.ffmpeg.org/ticket/8314
- https://www.debian.org/security/2021/dsa-4990
- https://launchpad.net/bugs/cve/CVE-2020-22049
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=373c1c9b691fd4c6831b3a114a006b639304c2af
- https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=373c1c9b691fd4c6831b3a114a006b639304c2af
- https://security-tracker.debian.org/tracker/CVE-2020-22049
- https://www.cve.org/CVERecord?id=CVE-2020-22049
- https://nvd.nist.gov/vuln/detail/CVE-2020-22049
- https://ubuntu.com/security/CVE-2020-22049
Frequently Asked Questions
What is the severity of CVE-2020-22049?
The severity of CVE-2020-22049 is Denial of Service.
How does CVE-2020-22049 affect FFmpeg?
CVE-2020-22049 affects FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wtvdec.c.
Which software versions are affected by CVE-2020-22049?
The affected software versions of CVE-2020-22049 include FFmpeg 3.4.8-0ubuntu0.2, FFmpeg 4.2.4-1ubuntu0.1, FFmpeg 4.3, FFmpeg 2.8.17-0ubuntu0.1+, and FFmpeg 4.1.9-0+deb10u1, 4.1.11-0+deb10u1, 4.3.6-0+deb11u1, 5.1.3-1, and 6.0-7.
How can I fix CVE-2020-22049 on Ubuntu?
To fix CVE-2020-22049 on Ubuntu, update FFmpeg to versions 3.4.8-0ubuntu0.2, 4.2.4-1ubuntu0.1, or 2.8.17-0ubuntu0.1+ depending on the version you are using.
How can I fix CVE-2020-22049 on Debian?
To fix CVE-2020-22049 on Debian, update FFmpeg to versions 4.1.9-0+deb10u1, 4.1.11-0+deb10u1, 4.3.6-0+deb11u1, 5.1.3-1, or 6.0-7 depending on the version you are using.
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