Integer overflow in X.org libXfixes before 5.0.3 on 32-bit platforms might allow remote X servers to gain privileges via a length value of INT_MAX, which triggers the client to stop reading data and get out of sync.
| Software | From | Fixed in |
|---|---|---|
| x.org / libxfixes | - | 5.0.2.x |
| fedoraproject / fedora | 25 | 25.x |
| fedoraproject / fedora | 24 | 24.x |