CVE-2017-12814: perl
Vulnerability summary
CVE-2017-12814 is a critical (CVSS 9.8) vulnerability in perl. EPSS estimates a 6.98% chance of exploitation in the next 30 days, higher than 94.1% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 27-09-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
6.98%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 6.98% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (rt.perl.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Perl1 product
- perlEOL≤ 5.24.2 | 5.26.0
1 vendor · 1 product
References
6 links- www.oracle.com/security-alerts/cpujul2020.htmlX Refsource MISC
- perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1X Refsource CONFIRMRelease NotesVendor Advisory
- perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1X Refsource CONFIRMRelease NotesVendor Advisory
- security.netapp.com/advisory/ntap-20180426-0001/X Refsource CONFIRM