CVE-2021-38094: Integer Overflow
First published: Mon Sep 20 2021(Updated: )
Integer Overflow vulnerability in function filter_sobel in libavfilter/vf_convolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/ffmpeg | <7:4.2.7-0ubuntu0.1+ | 7:4.2.7-0ubuntu0.1+ |
| debian/ffmpeg | <=7:4.1.9-0+deb10u1<=7:4.1.11-0+deb10u1 | 7:4.3.6-0+deb11u1 7:5.1.4-0+deb12u1 7:6.1.1-1 |
| FFmpeg FFmpeg | =4.2.1 |
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Reference Links
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23
- https://trac.ffmpeg.org/ticket/8263
- https://launchpad.net/bugs/cve/CVE-2021-38094
- https://security-tracker.debian.org/tracker/CVE-2021-38094
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38094
- https://ubuntu.com/security/notices/USN-6449-1
- https://nvd.nist.gov/vuln/detail/CVE-2021-38094
- https://ubuntu.com/security/CVE-2021-38094
Frequently Asked Questions
What is CVE-2021-38094?
CVE-2021-38094 is an Integer Overflow vulnerability in the filter_sobel function in libavfilter/vf_convolution.c in Ffmpeg 4.2.1.
What is the severity of CVE-2021-38094?
The severity of CVE-2021-38094 is high with a CVSS score of 8.8.
What is the affected software for CVE-2021-38094?
The affected software includes Ffmpeg 4.2.1 and Ubuntu 7:4.2.7-0ubuntu0.1+.
How can an attacker exploit CVE-2021-38094?
An attacker can exploit CVE-2021-38094 to cause a Denial of Service or other unspecified impacts.
Are there any references for CVE-2021-38094?
Yes, you can find references for CVE-2021-38094 at the following links: [Reference 1](https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23), [Reference 2](https://trac.ffmpeg.org/ticket/8263), [Reference 3](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38094).
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