Provide references for CVE-2018-12029.
Where can I find more information about CVE-2018-12029?
References are available at: https://blog.phusion.nl/passenger-5-3-2, https://security.gentoo.org/glsa/201807-02, https://pulsesecurity.co.nz/advisories/phusion-passenger-priv-esc, https://lists.debian.org/debian-lts-announce/2018/06/msg00007.html.