WS-2020-0277

Date: November 15, 2020

CopyCell in toolshed crate through 0.8.1 lacks bounds on its Send trait allowing for data races. CopyCell<T> is a Cell-like type that is implemented for any type T that is Copyable. It’s Send trait has no bounds on the contained type. As not all Copyable types are thread safe, for example non-mutable references implement the Copy trait, it is possible to send references to types with interior mutability such as Cell across threads and cause data races.

Language: RUST