The setFrom function in the Sendmail adapter in the zend-mail component before 2.4.11, 2.5.x, 2.6.x, and 2.7.x before 2.7.2, and Zend Framework before 2.4.11 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a " (backslash double quote) in a crafted e-mail address.
www.securityfocus.com/bid/95144
www.securitytracker.com/id/1037539
framework.zend.com/security/advisory/ZF2016-04
github.com/zendframework/zend-mail
legalhackers.com/advisories/ZendFramework-Exploit-ZendMail-Remote-Code-Exec-CVE-2016-10034-Vuln.html
nvd.nist.gov/vuln/detail/CVE-2016-10034
security.gentoo.org/glsa/201804-10
www.exploit-db.com/exploits/40979
www.exploit-db.com/exploits/40986
www.exploit-db.com/exploits/42221