How does CVE-2021-39820 affect Adobe InDesign?

CVE-2021-39820 affects Adobe InDesign versions 16.3 (and earlier) and 16.3.1 (and earlier) by insecurely handling a malicious TIFF file, potentially leading to arbitrary code execution.

Is user interaction required to exploit CVE-2021-39820?

Yes, user interaction is required to exploit CVE-2021-39820.

What is the severity of CVE-2021-39820?

The severity of CVE-2021-39820 is high with a CVSS score of 7.8.

How can I fix CVE-2021-39820?

To fix CVE-2021-39820, update Adobe InDesign to version 16.3.2 or later, as provided by the vendor's security advisory.

Vulnerability/
CVE-2021-39820

high

7.8

CWE

787

15/6/2022

16/9/2024

CVE-2021-39820: Adobe InDesign Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution

Q: What is CVE-2021-39820?

CVE-2021-39820 is an Out-of-bounds Write vulnerability in Adobe InDesign versions 16.3 (and earlier) and 16.3.1 (and earlier), which could allow arbitrary code execution.

First published: Wed Jun 15 2022(Updated: )

Adobe InDesign versions 16.3 (and earlier), and 16.3.1 (and earlier) is affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious TIFF 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 psirt@adobe.com

Affected Software	Affected Version	How to fix
Adobe InDesign	<=16.3.2
Apple macOS
Adobe InDesign	<=16.3
Microsoft Windows

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Reference Links

https://helpx.adobe.com/security/products/indesign/apsb21-73.html

Frequently Asked Questions

What is CVE-2021-39820?
CVE-2021-39820 is an Out-of-bounds Write vulnerability in Adobe InDesign versions 16.3 (and earlier) and 16.3.1 (and earlier), which could allow arbitrary code execution.
How does CVE-2021-39820 affect Adobe InDesign?
CVE-2021-39820 affects Adobe InDesign versions 16.3 (and earlier) and 16.3.1 (and earlier) by insecurely handling a malicious TIFF file, potentially leading to arbitrary code execution.
Is user interaction required to exploit CVE-2021-39820?
Yes, user interaction is required to exploit CVE-2021-39820.
What is the severity of CVE-2021-39820?
The severity of CVE-2021-39820 is high with a CVSS score of 7.8.
How can I fix CVE-2021-39820?
To fix CVE-2021-39820, update Adobe InDesign to version 16.3.2 or later, as provided by the vendor's security advisory.

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version/adobe indesign/16.3
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