GHSA-368f-29c3-4f2r
Data race in conqueue
Packages
Details
As written in the advisory (Markdown source, shown as plain text).
Affected versions of this crate unconditionally implemented `Send`/`Sync` for `QueueSender<T>`, allowing to send non-Send `T` to other threads by invoking `(&QueueSender<T>).send()`.
This fails to prevent users from creating data races by sending types like `Rc<T>` or `Arc<Cell<T>>` to other threads, which can lead to memory corruption. The flaw was corrected in commit `1e462c3` by imposing `T: Send` to both `Send`/`Sync` impls for `QueueSender<T>`/`QueueReceiver<T>`.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2020-36437
- https://github.com/longshorej/conqueue/commit/1e462c32e7933821ddb26dc49fd4ffa5aeca97b8
- https://github.com/longshorej/conqueue
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/conqueue/RUSTSEC-2020-0117.md
- https://rustsec.org/advisories/RUSTSEC-2020-0117.html