Medium · published February 10, 2026
InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
| Product | Versions | Fixed in |
|---|---|---|
| adobe/indesign | < 20.5.2 | 20.5.2 |
| adobe/indesign | ≥ 21.0, < 21.2 | 21.2 |