An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. It does not taint strings that result from unpacking tainted strings with some formats.Referenceshttps://hackerone.com/reports/385070https://www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released/https://access.redhat.com/errata/RHSA-2018:3729https://access.redhat.com/errata/RHSA-2018:3730https://access.redhat.com/errata/RHSA-2018:3731https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/https://www.debian.org/security/2018/dsa-4332https://usn.ubuntu.com/3808-1/https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/https://security.netapp.com/advisory/ntap-20190221-0002/https://www.ruby-lang.org/en/news/2018/10/17/not-propagated-taint-flag-in-some-formats-of-pack-cve-2018-16396/https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/https://lists.debian.org/debian-lts-announce/2018/10/msg00020.htmlhttp://www.securitytracker.com/id/1042106http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.htmlhttps://access.redhat.com/errata/RHSA-2019:2028
