CVE-2020-20902 Information disclosure in n/a
An out-of-bounds read in FFmpeg's long_term_filter function allows attackers to disclose sensitive information via crafted media files.
- 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-2020-20902?
CVE-2020-20902 is a medium-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
A CWE-125: Out-of-bounds read vulnerability exists in long_term_filter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information.
Weakness: CWE-125
Which versions are affected by CVE-2020-20902?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2020-20902?
Upgrade to a fixed version.
Is CVE-2020-20902 being exploited?
There is no known exploitation of CVE-2020-20902 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2020-20902, GHSA-fv2v-8v2v-g9q3, UBUNTU-CVE-2020-20902.