| Package | Affected versions | Patched versions |
|---|---|---|
| motoko | ≥ 0.9.0, < 0.13.4 | 0.13.4 |
Motoko's 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 Canister's 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.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free