What is CVE-2021-40703?

CVE-2021-40703 is a memory corruption vulnerability in Adobe Premiere Elements version 2021.2235820 and earlier.

What is the severity of CVE-2021-40703?

The severity of CVE-2021-40703 is critical, with a CVSS score of 7.8.

Is Apple macOS affected by CVE-2021-40703?

No, Apple macOS is not affected by CVE-2021-40703.

Is Microsoft Windows affected by CVE-2021-40703?

No, Microsoft Windows is not affected by CVE-2021-40703.

How can I fix CVE-2021-40703?

To fix CVE-2021-40703, update Adobe Premiere Elements to version 2021.2235821 or later.

Vulnerability/
CVE-2021-40703

critical

9.3

CWE

119 788

27/9/2021

16/9/2024

CVE-2021-40703: Adobe Premiere Elements m4a Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution

Q: How does CVE-2021-40703 affect Adobe Premiere Elements?

CVE-2021-40703 affects Adobe Premiere Elements by allowing arbitrary code execution in the context of the current user through insecure handling of a malicious m4a file.

First published: Mon Sep 27 2021(Updated: )

Adobe Premiere Elements version 2021.2235820 (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 to exploit this vulnerability.

Credit: psirt@adobe.com

Affected Software	Affected Version	How to fix
Adobe Premiere Elements	<=2021.1
Apple macOS
Microsoft Windows

Remedy

https://helpx.adobe.com/security/products/premiere_elements/apsb21-78.html

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Reference Links

https://helpx.adobe.com/security/products/premiere_elements/apsb21-78.html

Frequently Asked Questions

What is CVE-2021-40703?
CVE-2021-40703 is a memory corruption vulnerability in Adobe Premiere Elements version 2021.2235820 and earlier.
What is the severity of CVE-2021-40703?
The severity of CVE-2021-40703 is critical, with a CVSS score of 7.8.
How does CVE-2021-40703 affect Adobe Premiere Elements?
CVE-2021-40703 affects Adobe Premiere Elements by allowing arbitrary code execution in the context of the current user through insecure handling of a malicious m4a file.
Is Apple macOS affected by CVE-2021-40703?
No, Apple macOS is not affected by CVE-2021-40703.
Is Microsoft Windows affected by CVE-2021-40703?
No, Microsoft Windows is not affected by CVE-2021-40703.
How can I fix CVE-2021-40703?
To fix CVE-2021-40703, update Adobe Premiere Elements to version 2021.2235821 or later.

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