Motokos incremental garbage collector is impacted by an uninitialized memory access bug, caused by incorrect use of write barriers in a few locations. This vulnerability could potentially allow unauthorized read or write access to a Canisters memory. However, exploiting this bug requires the Canister to enable the incremental garbage collector or enhanced orthogonal persistence, which are non-default features in Motoko.
The product uses or accesses a resource that has not been initialized.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Motoko | Dfinity | 0.9.0 (including) | 0.13.4 (excluding) |