Medium · published April 14, 2026
InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application or disrupt its functionality. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
| Product | Versions | Fixed in |
|---|---|---|
| adobe/indesign | < 20.5.3 | 20.5.3 |
| adobe/indesign | ≥ 21.0, < 21.3 | 21.3 |