CVE-2021-21859 Integer overflow in GPAC Project
An integer truncation in GPAC's MPEG-4 decoder allows attackers to execute code or cause denial of service by tricking users into opening a malicious video file.
- 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-2021-21859?
CVE-2021-21859 is a high-severity vulnerability in Debian Debian Linux, published on 16 Aug 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 exploitable integer truncation vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. The stri_box_read function is used when processing atoms using the 'stri' FOURCC code. An attacker can convince a user to open a video to trigger this vulnerability.
Which versions are affected by CVE-2021-21859?
It affects 2 products.
Products include Debian Debian Linux, Gpac Gpac.
How do I fix CVE-2021-21859?
Upgrade to a fixed version.
Is CVE-2021-21859 being exploited?
There is no known exploitation of CVE-2021-21859 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2021-21859, GHSA-vh5q-v342-6m3c, UBUNTU-CVE-2021-21859.