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advisory-db/crates/v9/RUSTSEC-2020-0127.md
Alexis Mousset 84c633df9c Update aliases from GHSA OSV export (#1693)
2023-06-13 15:10:24 +02:00

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[advisory]
id = "RUSTSEC-2020-0127"
package = "v9"
date = "2020-12-18"
url = "https://github.com/purpleposeidon/v9/issues/1"
references = ["https://github.com/purpleposeidon/v9/commit/18847c50e5d36561cc91c996c3539ddb1eacf6c7"]
categories = ["memory-corruption", "thread-safety"]
aliases = ["CVE-2020-36447", "GHSA-3837-87vh-xq3w", "GHSA-pfjq-935c-4895"]
cvss = "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"

[versions]
patched = [">= 0.1.43"]

SyncRef's clone() and debug() allow data races

Affected versions of this crate unconditionally implement Sync for SyncRef<T>. This definition allows data races if &T is accessible through &SyncRef.

SyncRef<T> derives Clone and Debug, and the default implementations of those traits access &T by invoking T::clone() & T::fmt(). It is possible to create data races & undefined behavior by concurrently invoking SyncRef<T>::clone() or SyncRef<T>::fmt() from multiple threads with T: !Sync.