Digital Unix 4.0 has a buffer overflow in the inc program of the mh package.
| Software | From | Fixed in |
|---|---|---|
| digital / unix | 4.0 | 4.0.x |
| digital / unix | 4.0a | 4.0a.x |
| digital / unix | 4.0b | 4.0b.x |
| digital / unix | 4.0c | 4.0c.x |
| digital / unix | 4.0d | 4.0d.x |
| digital / unix | 4.0e | 4.0e.x |