CVE-2017-12814
9.8
CRITICAL · CVSS 3.0 · EPSS 7% (pctl 94)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 6.98% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-09-28 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| microsoft | windows |
| perl | perl |
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
→ the Explorer · watch your stack · NVD