CVE-2021-40760: Adobe After Effects M4A File Parsing Memory Corruption Arbitrary Code Execution

Q: What is CVE-2021-40760?

CVE-2021-40760 is a memory corruption vulnerability in Adobe After Effects version 18.4.1 (and earlier) that allows for arbitrary code execution when handling a malicious .m4a file.

Q: How severe is CVE-2021-40760?

CVE-2021-40760 has a severity score of 7.8 (critical).

Q: How can CVE-2021-40760 be exploited?

CVE-2021-40760 can be exploited by a user opening a specially crafted .m4a file.

Q: Is user interaction required to exploit CVE-2021-40760?

Yes, user interaction is required to exploit CVE-2021-40760.

Published Nov 18, 2021

Updated

Adobe After Effects version 18.4.1 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .m4a file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required in that the victim must open a specially crafted file to exploit this vulnerability.

Affected Software

2 affected components

Adobe After Effects<=18.4.1

Microsoft Windows

Remediation

Patch Available

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

Event History

Nov 18, 2021

CVE Published

via MITRE·04:27 PM

Data Sourced

via MITRE·04:27 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is CVE-2021-40760?

CVE-2021-40760 is a memory corruption vulnerability in Adobe After Effects version 18.4.1 (and earlier) that allows for arbitrary code execution when handling a malicious .m4a file.

How severe is CVE-2021-40760?

CVE-2021-40760 has a severity score of 7.8 (critical).

Which software versions are affected by CVE-2021-40760?

Adobe After Effects version 18.4.1 (and earlier) is affected by CVE-2021-40760.

How can CVE-2021-40760 be exploited?