advisory-db/crates/thex/RUSTSEC-2020-0090.md

[advisory]
id = "RUSTSEC-2020-0090"
package = "thex"
aliases = ["CVE-2020-35927"]
cvss = "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
date = "2020-12-08"
categories = ["memory-corruption", "thread-safety"]
keywords = ["concurrency"]

[versions]
patched = []

Thex allows data races of non-Send types across threads

thex::Thex<T> implements Sync for all types T. However, it is missing a bound for T: Send.

This allows non-Send types such as Rc to be sent across thread boundaries which can trigger undefined behavior and memory corruption.