Medium · published June 9, 2026
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. 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 |