The X render (Xrender) extension in X.org X Window System 7.0, 7.1, and 7.2, with Xserver 1.3.0 and earlier, allows remote authenticated users to cause a denial of service (daemon crash) via crafted values to the (1) XRenderCompositeTrapezoids and (2) XRenderAddTraps functions, which trigger a divide-by-zero error.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| X_window_system | X.org | 7.0 (including) | 7.0 (including) |
| X_window_system | X.org | 7.1 (including) | 7.1 (including) |
| X_window_system | X.org | 7.2 (including) | 7.2 (including) |
| Xserver | X.org | * | 1.3.0 (including) |
| Xorg-server | Ubuntu | dapper | * |
| Xorg-server | Ubuntu | devel | * |
| Xorg-server | Ubuntu | edgy | * |
| Xorg-server | Ubuntu | feisty | * |