CVE-2021-40562 Denial of service in n/a
A floating point exception in GPAC's mp4box tool causes a segmentation fault, leading to a denial of service.
- 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-2021-40562?
CVE-2021-40562 is a medium-severity denial of service vulnerability in Gpac Gpac, published on 12 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
A Segmentation fault caused by a floating point exception exists in Gpac through 1.0.1 using mp4box via the naludmx_enqueue_or_dispatch function in reframe_nalu.c, which causes a denial of service.
Weakness: CWE-697
Which versions are affected by CVE-2021-40562?
It affects 1 product.
Products include Gpac Gpac.
How do I fix CVE-2021-40562?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-40562 being exploited?
There is no known exploitation of CVE-2021-40562 in the wild and no public exploit code.
Other vulnerabilities in Gpac Gpac
Sources
Also known as DEBIAN-CVE-2021-40562, GHSA-4vf3-h7wh-ppjc, UBUNTU-CVE-2021-40562.