High · published June 9, 2026
InCopy versions 21.3, 20.5.3 and earlier are affected by a Heap-based Buffer Overflow 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.
| Product | Versions | Fixed in |
|---|---|---|
| adobe/incopy | < 20.5.4 | 20.5.4 |
| adobe/incopy | ≥ 21.0, < 21.4 | 21.4 |