CVE-2021-38091: Integer Overflow
First published: Mon Sep 20 2021(Updated: )
Integer Overflow vulnerability in function filter16_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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38091
- https://ubuntu.com/security/notices/USN-6449-1
- https://nvd.nist.gov/vuln/detail/CVE-2021-38091
- https://launchpad.net/bugs/cve/CVE-2021-38091
- https://security-tracker.debian.org/tracker/CVE-2021-38091
- https://ubuntu.com/security/CVE-2021-38091
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-38091.
What is the severity level of CVE-2021-38091?
The severity level of CVE-2021-38091 is high (8.8).
How can this vulnerability be exploited?
This vulnerability can be exploited by attackers to cause a Denial of Service or other unspecified impacts.
Which software versions are affected by CVE-2021-38091?
Ffmpeg 4.2.1 is affected by CVE-2021-38091.
Are there any fixes or patches available for this vulnerability?
Fixes or patches are available for Ffmpeg version 7:4.2.7-0ubuntu0.1+ (Ubuntu), version 7:4.3.6-0+deb11u1, 7:5.1.3-1, and 7:6.0-7 (Debian).
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