TeX Live allows remote attackers to execute arbitrary commands by leveraging inclusion of mpost in shell_escape_commands in the texmf.cnf config file.
www.debian.org/security/2017/dsa-3803
www.openwall.com/lists/oss-security/2017/03/05/1
www.securityfocus.com/bid/96593
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B7CNJ4HKX7X6V7VMN3UCU7KPY6IX4XRB/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VL6PUKPWEXYIPIAZRIX5ZLQWCSALVLFP/
scumjr.github.io/2016/11/28/pwning-coworkers-thanks-to-latex/
security.gentoo.org/glsa/201709-07
www.tug.org/svn/texlive?view=revision&revision=42605