Directory traversal vulnerability in GNU Mailman before 2.1.20, when not using a static alias, allows remote attackers to execute arbitrary files via a … (dot dot) in a list name.
lists.fedoraproject.org/pipermail/package-announce/2015-April/154911.html
lists.fedoraproject.org/pipermail/package-announce/2015-April/156742.html
rhn.redhat.com/errata/RHSA-2015-1153.html
rhn.redhat.com/errata/RHSA-2015-1417.html
www.debian.org/security/2015/dsa-3214
www.securityfocus.com/bid/73922
www.securitytracker.com/id/1032033
www.ubuntu.com/usn/USN-2558-1
bugs.launchpad.net/mailman/+bug/1437145
mail.python.org/pipermail/mailman-announce/2015-March/000209.html
mail.python.org/pipermail/mailman-developers/2015-March/024871.html
mail.python.org/pipermail/mailman-developers/2015-March/024875.html