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advisory-db/crates/conqueue/RUSTSEC-2020-0117.md
Alexis Mousset 84c633df9c Update aliases from GHSA OSV export (#1693)
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[advisory]
id = "RUSTSEC-2020-0117"
package = "conqueue"
date = "2020-11-24"
url = "https://github.com/longshorej/conqueue/issues/9"
categories = ["memory-corruption", "thread-safety"]
aliases = ["CVE-2020-36437", "GHSA-368f-29c3-4f2r"]
cvss = "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"

[versions]
patched = [">= 0.4.0"]

QueueSender/QueueReceiver: Send/Sync impls need T: Send

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>.