CVE-2021-40944 Null dereference in n/a
A null pointer dereference in GPAC MP4Box allows attackers to cause a denial of service via crafted input.
- 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-2021-40944?
CVE-2021-40944 is a medium-severity vulnerability in Gpac Gpac, published on 28 Jun 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
In GPAC MP4Box 1.1.0, there is a Null pointer reference in the function gf_filter_pid_get_packet function in src/filter_core/filter_pid.c:5394, as demonstrated by GPAC. This can cause a denial of service (DOS).
Weakness: CWE-476
Which versions are affected by CVE-2021-40944?
It affects 1 product.
Products include Gpac Gpac.
How do I fix CVE-2021-40944?
Upgrade to a fixed version.
Is CVE-2021-40944 being exploited?
There is no known exploitation of CVE-2021-40944 in the wild and no public exploit code.
Other vulnerabilities in Gpac Gpac
Sources
Also known as DEBIAN-CVE-2021-40944, GHSA-3fqc-qhh2-fxhg, UBUNTU-CVE-2021-40944.