CVE-2021-38091 Integer overflow in n/a

High 8.8 Published 20 Sep 2021 Updated 4 Aug 2024

An integer overflow in FFmpeg's convolution filter allows attackers to cause a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2021-38091?

CVE-2021-38091 is a high-severity vulnerability in Ffmpeg Ffmpeg, published on 20 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-190

Which versions are affected by CVE-2021-38091?

It affects 1 product.

Products include Ffmpeg Ffmpeg.

How do I fix CVE-2021-38091?

Upgrade to a fixed version.

Is CVE-2021-38091 being exploited?

There is no known exploitation of CVE-2021-38091 in the wild and no public exploit code.

All Ffmpeg Ffmpeg vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-38091, GHSA-x7q6-g5fx-vhrw, UBUNTU-CVE-2021-38091.