CVE-2023-21589: Adobe Indesign

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Adobe InDesign version 18.0 (and earlier), 17.4 (and earlier) are affected by an out-of-bounds write 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 file.

Affected products

• Adobe Indesign: from 17.0, up to and including 17.4; version 18.0 only

Published 2023-01-13. Last modified 2026-06-17.