CVE-2020-22036: Buffer Overflow
First published: Tue Jun 01 2021(Updated: )
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_intra at libavfilter/vf_bwdif.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 | =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 |
Remedy
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=8c3166e1c302c3ba80d9742ae46161c0fa8e2606
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Reference Links
- https://trac.ffmpeg.org/ticket/8261
- 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-2020-22036
- https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=8c3166e1c302c3ba80d9742ae46161c0fa8e2606
- https://security-tracker.debian.org/tracker/CVE-2020-22036
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22036
- https://nvd.nist.gov/vuln/detail/CVE-2020-22036
- https://ubuntu.com/security/CVE-2020-22036
Frequently Asked Questions
What is CVE-2020-22036?
CVE-2020-22036 is a heap-based Buffer Overflow vulnerability in FFmpeg 4.2 in filter_intra at libavfilter/vf_bwdif.c.
What are the potential consequences of CVE-2020-22036?
CVE-2020-22036 can lead to memory corruption and other potential consequences.
Which software is affected by CVE-2020-22036?
FFmpeg versions 3.4.11-0ubuntu0.1, 4.2.7-0ubuntu0.1, and 4.3 are affected. Debian versions 4.1.9-0+deb10u1, 4.1.11-0+deb10u1, 4.3.6-0+deb11u1, 5.1.3-1, and 6.0-7 are also affected.
How can I fix CVE-2020-22036 on Ubuntu?
Upgrade FFmpeg to version 3.4.11-0ubuntu0.1, 4.2.7-0ubuntu0.1, or 4.3, depending on your distribution.
How can I fix CVE-2020-22036 on Debian?
Upgrade FFmpeg to version 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 your distribution.
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