CVE-2020-20896 Null dereference in n/a
Attackers can cause a denial of service via null pointer dereference in FFmpeg's latm_write_packet function.
- 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-2020-20896?
CVE-2020-20896 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
An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2020-20896?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2020-20896?
Upgrade to a fixed version.
Is CVE-2020-20896 being exploited?
There is no known exploitation of CVE-2020-20896 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2020-20896, GHSA-f4hr-8v6m-mr63.