CVE-2021-40568 Memory corruption in n/a
Attackers can trigger a buffer overflow via malformed MP4 files, leading to code execution, privilege escalation, or 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-2021-40568?
CVE-2021-40568 is a high-severity memory corruption 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
A buffer overflow vulnerability exists in Gpac through 1.0.1 via a malformed MP4 file in the svc_parse_slice function in av_parsers.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.
Weakness: CWE-120
Which versions are affected by CVE-2021-40568?
It affects 1 product.
Products include Gpac Gpac.
How do I fix CVE-2021-40568?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-40568 being exploited?
There is no known exploitation of CVE-2021-40568 in the wild and no public exploit code.
Other vulnerabilities in Gpac Gpac
Sources
Also known as DEBIAN-CVE-2021-40568, GHSA-pcxw-5497-h47f, UBUNTU-CVE-2021-40568.