CVE-2019-15608: Time-of-check Time-of-use (TOCTOU) Race Condition

The package integrity validation in yarn 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack...

PT-2020-9730

Name of the Vulnerable Software and Affected Versions yarn versions prior to 1.19.0 Description The issue concerns a TOCTOU vulnerability in the package integrity validation. This vulnerability occurs because the hash is computed before writing a package to the cache, but it is not computed again...