CVE-2021-35995 Adobe After Effects MP4 File Parsing Uninitialized Variable Information Disclosure Vulnerability

Low 3.3 Published 2 Sep 2021 Updated 23 Apr 2025

An attacker can disclose arbitrary memory information by tricking a user into opening a malicious MP4 file in Adobe After Effects.

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-2021-35995?

CVE-2021-35995 is a low-severity vulnerability in Adobe After Effects, published on 2 Sep 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

Adobe After Effects version 18.2.1 (and earlier) is affected by an Improper input validation vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to disclose arbitrary memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-665, CWE-20

Which versions are affected by CVE-2021-35995?

It affects 1 product.

Products include Adobe After Effects.

How do I fix CVE-2021-35995?

No fix has been published for CVE-2021-35995 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-35995 being exploited?

There is no known exploitation of CVE-2021-35995 in the wild and no public exploit code.

All Adobe After Effects vulnerabilities

Sources

Also known as GHSA-hwvf-qhh6-j4mp.