What is CVE-2021-40756?

CVE-2021-40756 is a Null pointer dereference vulnerability in Adobe After Effects version 18.4.1 (and earlier) that can be exploited to achieve an application denial-of-service.

How does CVE-2021-40756 impact Adobe After Effects?

CVE-2021-40756 can lead to an application denial-of-service in Adobe After Effects version 18.4.1 (and earlier).

Is authentication required to exploit CVE-2021-40756?

No, CVE-2021-40756 can be exploited by an unauthenticated attacker.

How can I mitigate the vulnerability in Adobe After Effects?

To mitigate the vulnerability, update Adobe After Effects to version 18.4.2 or later.

Where can I find more information about CVE-2021-40756?

You can find more information about CVE-2021-40756 in the Adobe After Effects security bulletin APSB21-79.

Vulnerability/
CVE-2021-40756

medium

5.5

CWE

476

26/10/2021

4/8/2024

CVE-2021-40756: Adobe After Effects NULL Pointer Dereference Application Denial of Service

First published: Tue Oct 26 2021(Updated: )

Adobe After Effects version 18.4.1 (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.

Credit: psirt@adobe.com

Affected Software	Affected Version	How to fix
Adobe After Effects	<=18.4.1
Microsoft Windows

Remedy

https://helpx.adobe.com/security/products/after_effects/apsb21-79.html

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Reference Links

https://helpx.adobe.com/security/products/after_effects/apsb21-79.html

Frequently Asked Questions

What is CVE-2021-40756?
CVE-2021-40756 is a Null pointer dereference vulnerability in Adobe After Effects version 18.4.1 (and earlier) that can be exploited to achieve an application denial-of-service.
How does CVE-2021-40756 impact Adobe After Effects?
CVE-2021-40756 can lead to an application denial-of-service in Adobe After Effects version 18.4.1 (and earlier).
Is authentication required to exploit CVE-2021-40756?
No, CVE-2021-40756 can be exploited by an unauthenticated attacker.
How can I mitigate the vulnerability in Adobe After Effects?
To mitigate the vulnerability, update Adobe After Effects to version 18.4.2 or later.
Where can I find more information about CVE-2021-40756?
You can find more information about CVE-2021-40756 in the Adobe After Effects security bulletin APSB21-79.

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version/adobe after effects/18.4.1
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