CVE-2021-43027 Adobe After Effects TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

High 7.8 Published 7 Sep 2023 Updated 27 Feb 2025

An attacker can execute arbitrary code or disclose information by tricking a user into opening a malicious TIF 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-2021-43027?

CVE-2021-43027 is a high-severity memory corruption vulnerability in Adobe After Effects, 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 After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by an out-of-bounds read vulnerability which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code 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-125

Which versions are affected by CVE-2021-43027?

It affects 1 product.

Products include Adobe After Effects.

How do I fix CVE-2021-43027?

No fix has been published for CVE-2021-43027 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-2021-43027 being exploited?

There is no known exploitation of CVE-2021-43027 in the wild and no public exploit code.

All Adobe After Effects vulnerabilities

Sources

Also known as GHSA-r4xf-vj3m-24fw.