In the affected versions of this crate, LockWeak<T> unconditionally implemented Send with no trait bounds on T. LockWeak<T> doesn't own T and only provides &T. This allows concurrent access to a non-Sync T, which can cause undefined behavior like data races.
{ "nvd_published_at": "2021-08-08T06:15:00Z", "cwe_ids": [ "CWE-119", "CWE-362" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2021-08-18T20:23:35Z" }