CVE-2021-40790 Adobe Premiere Pro MOV File Parsing Use-After-Free Information Disclosure Vulnerability

Medium 5.5 Published 7 Sep 2023 Updated 27 Feb 2025

An attacker can disclose sensitive memory and bypass ASLR by tricking a user into opening a malicious MOV file in Adobe Premiere Pro.

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-2021-40790?

CVE-2021-40790 is a medium-severity use after free vulnerability in Adobe Premiere Pro, published on 7 Sep 2023. 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 Premiere Pro versions 22.0 (and earlier) and 15.4.2 (and earlier) are affected by an Use-After-Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-416

Which versions are affected by CVE-2021-40790?

It affects 1 product.

Products include Adobe Premiere Pro.

How do I fix CVE-2021-40790?

No fix has been published for CVE-2021-40790 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-40790 being exploited?

There is no known exploitation of CVE-2021-40790 in the wild and no public exploit code.

Sources

Also known as GHSA-mjh9-m22p-4j4m.