CVE-2021-25802 Memory corruption in n/a

High 7.1 Published Updated

Attackers can cause an out-of-bounds read and potential crash in VLC Media Player by providing 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-2021-25802?

CVE-2021-25802 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 AVI_ExtractSubtitle 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-2021-25802?

It affects 1 product.

Products include Videolan Vlc Media Player.

How do I fix CVE-2021-25802?

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-2021-25802 being exploited?

There is no known exploitation of CVE-2021-25802 in the wild and no public exploit code.

All Videolan Vlc Media Player vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-25802, GHSA-74cj-rxf7-4mmq, UBUNTU-CVE-2021-25802.

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