Provide references for CVE-2017-15881.
Where can I find more information about CVE-2017-15881?
References are available at: http://www.securityfocus.com/bid/101541, http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/, https://github.com/keystonejs/keystone/issues/4437, https://github.com/keystonejs/keystone/pull/4478.