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cnvd-2021-85289

EUVD-2026-48214

fkie_cve-2020-36460

An issue was discovered in the model crate through 2020-11-10 for Rust. The Shared data structure has an implementation of the Send and Sync traits without regard for the inner type.

GHSA-mxv6-q98x-h958 — Data races in model

Affected: crates.io: model

`Shared` data structure in `model` crate implements `Send` and `Sync` traits regardless of the inner type. This allows safe Rust code to trigger a data race, which is undefined behavior in Rust.

Users are advised to treat `Shared` as an unsafe type. It should not be used outside of the testing context, and care must be taken so that the testing code does not have a data race besides a race condition that is expected to be caught by the test.

gsd-2020-36460

RUSTSEC-2020-0140 — `Shared` can cause a data race

Affected: crates.io: model

`Shared` data structure in `model` crate implements `Send` and `Sync` traits regardless of the inner type. This allows safe Rust code to trigger a data race, which is undefined behavior in Rust.

Check [the Rustonomicon](https://doc.rust-lang.org/nomicon/races.html) for the difference between a data race and a general race condition.