CVE-2021-40575 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 library.
- 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-2021-40575?
CVE-2021-40575 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 mpgviddmx_process function in reframe_mpgvid.c, which allows attackers to cause a denial of service. This vulnerability is possibly due to an incomplete fix for CVE-2021-40566.
Weakness: CWE-476
Which versions are affected by CVE-2021-40575?
It affects 1 product.
Products include Gpac Gpac.
How do I fix CVE-2021-40575?
Apply the vendor's patch.
Is CVE-2021-40575 being exploited?
There is no known exploitation of CVE-2021-40575 in the wild and no public exploit code.
Other vulnerabilities in Gpac Gpac
Sources
Also known as DEBIAN-CVE-2021-40575, GHSA-7756-hh2m-ccgc, UBUNTU-CVE-2021-40575.