CVE-2020-22023: Buffer Overflow
First published: Thu May 27 2021(Updated: )
A heap-based Buffer Overflow vulnerabililty exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_bitplanenoise.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 |
|---|---|---|
| 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 | =9.0 | |
| Debian Debian Linux | =10.0 |
Remedy
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=0b567238741854b41f84f7457686b044eadfe29c
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Reference Links
- https://trac.ffmpeg.org/ticket/8244
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
- https://www.debian.org/security/2021/dsa-4990
- https://launchpad.net/bugs/cve/CVE-2020-22023
- https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=0b567238741854b41f84f7457686b044eadfe29c
- https://security-tracker.debian.org/tracker/CVE-2020-22023
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22023
- https://nvd.nist.gov/vuln/detail/CVE-2020-22023
- https://ubuntu.com/security/CVE-2020-22023
Frequently Asked Questions
What is the vulnerability ID for this heap-based Buffer Overflow vulnerability?
The vulnerability ID is CVE-2020-22023.
Where does the heap-based Buffer Overflow vulnerability exist in FFmpeg 4.2?
The vulnerability exists in the filter_frame function at libavfilter/vf_bitplanenoise.c in FFmpeg 4.2.
What are the potential consequences of the heap-based Buffer Overflow vulnerability?
The potential consequences include memory corruption and other issues.
Which versions of FFmpeg are affected by this vulnerability?
FFmpeg versions 3.4.11-0ubuntu0.1, 4.2.7-0ubuntu0.1, 4.3, and various versions in the Debian repository are affected.
Where can I find more information about this vulnerability?
More information about this vulnerability can be found at the following references: [CVE-2020-22023](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22023), [FFmpeg Ticket #8244](https://trac.ffmpeg.org/ticket/8244), and [Ubuntu Security Notice USN-5472-1](https://ubuntu.com/security/notices/USN-5472-1).
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