CVE-2017-12814: Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and...

Security readout for executives and security teams

This is a Windows-specific Perl flaw where an overly long environment variable can overflow stack memory and potentially run attacker-controlled code. The sources identify affected Perl release lines but do not provide CVSS, broad exploitation evidence, or complete product impact details. Exposure is most likely on Windows systems running affected Perl versions, including environments where Perl is embedded by other software. Oracle and NetApp advisories reference the CVE, but this bundle does not establish specific affected product versions beyond Perl itself. Treat this as important for Windows Perl estate management, especially where Perl is embedded in business software. The potential impact is code execution, but urgency depends on confirmed affected assets and whether attackers can influence runtime environment variables. Mitigation focus: Upgrade Windows Perl to a fixed release following vendor guidance.; Check Oracle and NetApp advisories if their products include Perl in your environment.; Inventory third-party software that bundles Perl on Windows..

Prepared

Jun 12, 2026, 20:56 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.