CVE-2017-12814

CVE-2017-12814 affects Windows builds of Perl prior to 5.24.3-RC1 and 5.26.x prior to 5.26.1-RC1, due to a stack-based overflow in CPerlHost::Add (win32/perlhost.h). An overly large ENV key can overflow a fixed stack buffer, enabling arbitrary code execution. Public details confirm affected versi...