CVE-2018-4920 Memory corruption in Adobe Flash Player 28.0.0.161 and earlier versions

High 8.8 Published Updated

Type confusion in Adobe Flash Player allows arbitrary code execution, requiring users to upgrade to a patched version.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2018-4920?

CVE-2018-4920 is a high-severity memory corruption vulnerability in Adobe Flash Player, published on 19 May 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Weakness: CWE-843

Which versions are affected by CVE-2018-4920?

It affects 2 products.

Products include Adobe Flash Player, Adobe Flash Player Desktop Runtime.

How do I fix CVE-2018-4920?

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-2018-4920 being exploited?

There is no known exploitation of CVE-2018-4920 in the wild and no public exploit code.

All Adobe Flash Player vulnerabilities

Sources

Also known as GHSA-j5xf-xfvf-pjw6, UBUNTU-CVE-2018-4920.

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