CVE-2020-20448 Denial of service in n/a
A remote attacker can cause a denial of service in FFmpeg via a divide-by-zero error in the rate control module.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-20448?
CVE-2020-20448 is a medium-severity denial of service vulnerability in Ffmpeg Ffmpeg, published on 25 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
FFmpeg 4.1.3 is affected by a Divide By Zero issue via libavcodec/ratecontrol.c, which allows a remote malicious user to cause a Denial of Service.
Weakness: CWE-369
Which versions are affected by CVE-2020-20448?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2020-20448?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-20448 being exploited?
There is no known exploitation of CVE-2020-20448 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2020-20448, GHSA-rqxg-44wv-f888.