CVE-2020-22043 Denial of service in n/a
A memory leak in FFmpeg's fifo_alloc_common function allows attackers to cause a denial of service by exhausting system memory.
- 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-2020-22043?
CVE-2020-22043 is a medium-severity denial of service vulnerability in Ffmpeg Ffmpeg, published on 1 Jun 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
A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak at the fifo_alloc_common function in libavutil/fifo.c.
Weakness: CWE-401
Which versions are affected by CVE-2020-22043?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2020-22043?
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-2020-22043 being exploited?
There is no known exploitation of CVE-2020-22043 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2020-22043, GHSA-j6jv-rr9g-q9j6, UBUNTU-CVE-2020-22043.