CVE-2020-22031 Memory corruption in n/a
A heap-based buffer overflow in FFmpeg's w3fdif filter allows attackers to cause memory corruption, potentially leading to code execution or 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-2020-22031?
CVE-2020-22031 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 27 May 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 Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, which might lead to memory corruption and other potential consequences.
Weakness: CWE-787
Which versions are affected by CVE-2020-22031?
It affects 2 products.
Products include Debian Debian Linux, Ffmpeg Ffmpeg.
How do I fix CVE-2020-22031?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-22031 being exploited?
There is no known exploitation of CVE-2020-22031 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-22031, GHSA-4x2g-5mhv-x2fx, UBUNTU-CVE-2020-22031.