View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2017-20004 medium priority: Ubuntu including 1 source packages (rustc), 6 status rows across 6 suites (bionic, focal, groovy, trusty, upstream, xenial): not-affected 5, released 1.
In the standard library in Rust before 1.19.0, there is a synchronization problem in the MutexGuard object. MutexGuards can be used across threads with any types, allowing for memory safety issues through race conditions.