Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.
https://www.oracle.com/security-alerts/cpujul2020.html
https://security.netapp.com/advisory/ntap-20180426-0001/
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1