CVE-2020-36209: Data races in late-static

August 25, 2021 (updated June 13, 2023)

Affected versions of this crate implemented Sync for LateStatic with T: Send, so that it is possible to create a data race to a type T: Send + !Sync (e.g. Cell).

This can result in a memory corruption or other kinds of undefined behavior.

The flaw was corrected in commit 11f396c by replacing the T: Send bound to T: Sync bound in the Sync impl for LateStatic.

References

github.com/Richard-W/late-static
github.com/Richard-W/late-static/commit/11f396c
github.com/Richard-W/late-static/issues/1
github.com/advisories/GHSA-wr55-mf5c-hhwm
nvd.nist.gov/vuln/detail/CVE-2020-36209
rustsec.org/advisories/RUSTSEC-2020-0102.html

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