CVE-2021-25801 Memory corruption in n/a
Attackers can cause an out-of-bounds read and potential crash in VLC Media Player by tricking users into opening a crafted AVI file.
- 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-2021-25801?
CVE-2021-25801 is a high-severity memory corruption vulnerability in Videolan Vlc Media Player, published on 26 Jul 2021. 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 in the __Parse_indx component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.
Weakness: CWE-125
Which versions are affected by CVE-2021-25801?
It affects 1 product.
Products include Videolan Vlc Media Player.
How do I fix CVE-2021-25801?
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-2021-25801 being exploited?
There is no known exploitation of CVE-2021-25801 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Videolan Vlc Media Player
Sources
Also known as DEBIAN-CVE-2021-25801, GHSA-vwcj-ffx4-g5rx, UBUNTU-CVE-2021-25801.