RUSTSEC-2020-0111 on 2020-11-10: may_queue's Queue lacks Send/Sync bound for its Send/Sync trait.

Affected versions of may_queue implements Send/Sync for its Queue type without restricting it to Sendable types and Syncable types.

This allows non-Sync types such as Cell to be shared across threads leading to undefined behavior and memory corruption in concurrent programs.

CVE-2020-36217

GHSA-pphf-f93w-gc84

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