7.8
CWE
125
Advisory Published
Updated

CVE-2021-39821: Adobe InDesign TIF File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

First published: Wed Sep 29 2021(Updated: )

Adobe InDesign versions 16.3 (and earlier), and 16.3.1 (and earlier) are affected by an out-of-bounds read vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious TIF file.

Credit: psirt@adobe.com

Affected SoftwareAffected VersionHow to fix
Adobe InDesign 2025<=16.3.2
macOS
Adobe InDesign 2025<=16.3
Microsoft Windows Operating System

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Frequently Asked Questions

  • What is the severity of CVE-2021-39821?

    CVE-2021-39821 is considered a critical vulnerability due to its potential for arbitrary code execution.

  • How do I fix CVE-2021-39821?

    To mitigate CVE-2021-39821, users should update Adobe InDesign to version 16.3.2 or later.

  • What versions of Adobe InDesign are affected by CVE-2021-39821?

    CVE-2021-39821 affects Adobe InDesign versions 16.3 and earlier, including version 16.3.1.

  • What type of vulnerability is CVE-2021-39821?

    CVE-2021-39821 is classified as an out-of-bounds read vulnerability.

  • What user interaction is needed for CVE-2021-39821 exploitation?

    Exploitation of CVE-2021-39821 requires the victim to open a specially crafted file.

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