CVE-2021-40768 Adobe Character Animator NULL Pointer Dereference Application denial-of-service

Medium 5.5 Published 16 Mar 2022 Updated 23 Apr 2025

An attacker can cause a denial of service in Adobe Character Animator by tricking a user into opening a malicious file.

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-2021-40768?

CVE-2021-40768 is a medium-severity vulnerability in Adobe Character Animator (Preview 4), published on 16 Mar 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 Character Animator version 4.4 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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-476

Which versions are affected by CVE-2021-40768?

It affects 1 product.

Products include Adobe Character Animator.

How do I fix CVE-2021-40768?

No fix has been published for CVE-2021-40768 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-40768 being exploited?

There is no known exploitation of CVE-2021-40768 in the wild and no public exploit code.

Sources

Also known as GHSA-f45h-vw2p-x3qx.