Provide references for CVE-2019-5448.
Where can I find more information about CVE-2019-5448?
References are available at: https://hackerone.com/reports/640904, https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md, https://yarnpkg.com/blog/2019/07/12/recommended-security-update/.