The Mapper component in Apache Tomcat 6.x before 6.0.45, 7.x before 7.0.68, 8.x before 8.0.30, and 9.x before 9.0.0.M2 processes redirects before considering security constraints and Filters, which allows remote attackers to determine the existence of a directory via a URL that lacks a trailing / (slash) character.
https://security.netapp.com/advisory/ntap-20180531-0001/
https://security.gentoo.org/glsa/201705-09
https://kc.mcafee.com/corporate/index?page=content&id=SB10156
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158626
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150442
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05054964
https://bz.apache.org/bugzilla/show_bug.cgi?id=58765
https://bto.bluecoat.com/security-advisory/sa118
https://access.redhat.com/errata/RHSA-2016:1088
https://access.redhat.com/errata/RHSA-2016:1087
http://www.ubuntu.com/usn/USN-3024-1
http://www.securitytracker.com/id/1035071
http://www.securityfocus.com/bid/83328
http://www.qcsec.com/blog/CVE-2015-5345-apache-tomcat-vulnerability.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.debian.org/security/2016/dsa-3609
http://www.debian.org/security/2016/dsa-3552
http://www.debian.org/security/2016/dsa-3530
http://tomcat.apache.org/security-9.html
http://tomcat.apache.org/security-8.html
http://tomcat.apache.org/security-7.html
http://tomcat.apache.org/security-6.html
http://svn.apache.org/viewvc?view=revision&revision=1717216
http://svn.apache.org/viewvc?view=revision&revision=1717212
http://svn.apache.org/viewvc?view=revision&revision=1717209
http://svn.apache.org/viewvc?view=revision&revision=1716894
http://svn.apache.org/viewvc?view=revision&revision=1716882
http://svn.apache.org/viewvc?view=revision&revision=1715216
http://svn.apache.org/viewvc?view=revision&revision=1715213
http://svn.apache.org/viewvc?view=revision&revision=1715207
http://svn.apache.org/viewvc?view=revision&revision=1715206
http://seclists.org/fulldisclosure/2016/Feb/122
http://seclists.org/bugtraq/2016/Feb/146
http://rhn.redhat.com/errata/RHSA-2016-2599.html
http://rhn.redhat.com/errata/RHSA-2016-2045.html
http://rhn.redhat.com/errata/RHSA-2016-1089.html
http://packetstormsecurity.com/files/135892/Apache-Tomcat-Directory-Disclosure.html
http://marc.info/?l=bugtraq&m=145974991225029&w=2
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00085.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00082.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00069.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00047.html