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 Software | Affected Version | How to fix |
---|---|---|
Adobe InDesign 2025 | <=16.3.2 | |
macOS | ||
Adobe InDesign 2025 | <=16.3 | |
Microsoft Windows Operating System |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2021-39821 is considered a critical vulnerability due to its potential for arbitrary code execution.
To mitigate CVE-2021-39821, users should update Adobe InDesign to version 16.3.2 or later.
CVE-2021-39821 affects Adobe InDesign versions 16.3 and earlier, including version 16.3.1.
CVE-2021-39821 is classified as an out-of-bounds read vulnerability.
Exploitation of CVE-2021-39821 requires the victim to open a specially crafted file.