Medium · published June 9, 2026
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
| Product | Versions | Fixed in |
|---|---|---|
| adobe/indesign | < 20.5.4 | 20.5.4 |
| adobe/indesign | ≥ 21.0, < 21.4 | 21.4 |