CVE-2017-12814
Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-12814- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-12814- Updated
- 2026-11-02
EUVDEUVD-2017-4351 No score
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.
- Record
EUVD-2017-4351- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6g5g-x3hj-6v2x
Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24...
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.
- Record
GHSA-6g5g-x3hj-6v2x- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2017-12814- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11158-1 No score
perl-32bit-5.34.0-1.1 on GA media
These are all security issues fixed in the perl-32bit-5.34.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11158-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
perlopenSUSE:Tumbleweed From an advisory covering 10 CVEs |
before 5.34.0-1.1 | 5.34.0-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-12814 is a critical vulnerability (CVSS 9.8) in Perl, published September 27, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.98%, the 94th percentile. No source names a fixed version.
References
securityfocus.com/bid/101051
oracle.com/security-alerts/cpujul2020.html
rt.perl.org/Public/Bug/Display.html?id=131665
perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
security.netapp.com/advisory/ntap-20180426-0001
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nvd.nist.gov/vuln/detail/CVE-2017-12814
github.com/advisories/GHSA-6g5g-x3hj-6v2x
suse.com/security/cve/CVE-2005-3962