CVE-2020-22046
First published: Wed Jun 02 2021(Updated: )
A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the avpriv_float_dsp_allocl function in libavutil/float_dsp.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/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 |
Remedy
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=097c917c147661f5378dae8fe3f7e46f43236426
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Reference Links
- https://trac.ffmpeg.org/ticket/8294
- https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html
- https://launchpad.net/bugs/cve/CVE-2020-22046
- https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=097c917c147661f5378dae8fe3f7e46f43236426
- https://security-tracker.debian.org/tracker/CVE-2020-22046
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22046
- https://nvd.nist.gov/vuln/detail/CVE-2020-22046
- https://ubuntu.com/security/CVE-2020-22046
Frequently Asked Questions
What is CVE-2020-22046?
CVE-2020-22046 is a Denial of Service vulnerability in FFmpeg 4.2 due to a memory leak in the avpriv_float_dsp_allocl function.
What is the severity of CVE-2020-22046?
The severity of CVE-2020-22046 is not specified.
How does CVE-2020-22046 affect FFmpeg?
CVE-2020-22046 affects FFmpeg 4.2.
How can I fix CVE-2020-22046 on Ubuntu?
To fix CVE-2020-22046 on Ubuntu, update to version 7:4.2.4-1ubuntu0.1 of the ffmpeg package.
Where can I find more information about CVE-2020-22046?
You can find more information about CVE-2020-22046 on the following references: [CVE Mitre](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22046), [FFmpeg Ticket](https://trac.ffmpeg.org/ticket/8294), [Ubuntu Security Notice](https://ubuntu.com/security/notices/USN-5167-1).
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