CVE-2021-40576 Null dereference in n/a
Attackers can cause a denial of service via null pointer dereference in GPAC's MP4Box binary, affecting users of the multimedia framework.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-40576?
CVE-2021-40576 is a medium-severity vulnerability in Gpac Gpac, published on 13 Jan 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The binary MP4Box in Gpac 1.0.1 has a null pointer dereference vulnerability in the gf_isom_get_payt_count function in hint_track.c, which allows attackers to cause a denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2021-40576?
It affects 1 product.
Products include Gpac Gpac.
How do I fix CVE-2021-40576?
Upgrade to a fixed version.
Is CVE-2021-40576 being exploited?
There is no known exploitation of CVE-2021-40576 in the wild and no public exploit code.
Other vulnerabilities in Gpac Gpac
Sources
Also known as DEBIAN-CVE-2021-40576, GHSA-9h2j-gwj2-5xv5, UBUNTU-CVE-2021-40576.