CVE-2021-43754 Adobe Prelude Corruption could lead to Arbitrary code execution

High 7.8 Published 15 Jun 2022 Updated 23 Apr 2025

An out-of-bounds write vulnerability in Adobe Prelude allows arbitrary code execution via a malicious file, requiring user interaction.

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: None listed

What is CVE-2021-43754?

CVE-2021-43754 is a high-severity memory corruption vulnerability in Adobe Prelude, published on 15 Jun 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

Adobe Prelude version 22.1.1 (and earlier) is affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

Weakness: CWE-787

Which versions are affected by CVE-2021-43754?

It affects 1 product.

Products include Adobe Prelude.

How do I fix CVE-2021-43754?

No fix has been published for CVE-2021-43754 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-43754 being exploited?

There is no known exploitation of CVE-2021-43754 in the wild and no public exploit code.

Sources

Also known as GHSA-g3qw-23v8-2hpp.