What’s Vulnerable › Vulnerabilities

CVE-2017-12814

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-09-28 · updated 2026-06-17
• Weakness: CWE-119

Description

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.

Affected products

• perl: through 5.24.2; 5.26.0

References

• http://www.securityfocus.com/bid/101051
• https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
• https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
• https://rt.perl.org/Public/Bug/Display.html?id=131665
• https://security.netapp.com/advisory/ntap-20180426-0001/
• https://www.oracle.com/security-alerts/cpujul2020.html
• http://www.securityfocus.com/bid/101051
• https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
• https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
• https://rt.perl.org/Public/Bug/Display.html?id=131665
• https://security.netapp.com/advisory/ntap-20180426-0001/
• https://www.oracle.com/security-alerts/cpujul2020.html

Get alerted when CVE-2017-12814 or the next vulnerability affects your stack