CVE-2017-12814 - CVE House
Back to Database
Status published Critical CVE-2017-12814

Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2017-12814

Credits & Attribution

No credits recorded in the NVD database.

References

More from perl

View All →
CVE-2025-40909
Perl threads have a working directory race condition where file operations may target unintended paths
Unknown 0
CVE-2025-1828
Perl's Crypt::Random module after 1.05 and before 1.56 may use rand() function for cryptographic functions
Unknown 0
CVE-2024-56406
Perl is vulnerable to a heap buffer overflow when transliterating non-ASCII bytes
Unknown 0
CVE-2022-48522
In Perl 5.34.0, function S_find_uninit_var in sv.c has a stack-based...
Critical 9.8
CVE-2020-16156
CPAN 2.28 allows Signature Verification Bypass....
High 7.8

Affected Vendor

Affected Software

perl
Vulnerable Versions:
0, 5.26.0

Timeline

Official Publish: September 27th, 2017
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.