CVE-2023-6349 Heap overflow in libvpx
A heap overflow in libvpx allows attackers to execute arbitrary code or cause denial of service by encoding oversized frames.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-6349?
CVE-2023-6349 is a medium-severity memory corruption vulnerability in Chromium libvpx, published on 27 May 2024. 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 heap overflow vulnerability exists in libvpx - Encoding a frame that has larger dimensions than the originally configured size with VP9 may result in a heap overflow in libvpx. We recommend upgrading to version 1.13.1 or above
Which versions are affected by CVE-2023-6349?
It affects 1 product.
Products include Webmproject Libvpx.
How do I fix CVE-2023-6349?
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-2023-6349 being exploited?
There is no known exploitation of CVE-2023-6349 in the wild and no public exploit code.
Other vulnerabilities in Chromium libvpx
Sources
Also known as DEBIAN-CVE-2023-6349, JLSEC-2026-376, UBUNTU-CVE-2023-6349.