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VULNERABILITIES

CVE-2026-107794 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list. The OUTPUT typemaps call av_extend( av, len-1 ). On an empty list, this undeflows, and av_extend will allocate an array with 2^32 slots, leading to memory exhaustion. Note that a similar issue was fixed in ExtUtils::Typemaps::STL::Vector version 1.05.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://metacpan.org/release/SMUELLER/ExtUtils-Typemaps-Default-1.07/changes CPANSecRelease NotesVendor
https://rt.cpan.org/Public/Bug/Display.html?id=91213 CPANSecIssue TrackingTechnical DescriptionVendor
https://www.cve.org/CVERecord?id=CVE-2013-10076 CPANSecAdvisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-191Integer Underflow (Wrap or Wraparound)CPANSec

Affected Products

ProductVersions
ExtUtils::Typemaps::STL::List
< 1.05

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • Upgrade: 1.05moderate effort

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-107794
NVD Published Date:
Oct 10, 2026
NVD Last Modified:
Oct 16, 2026
Source:
CPANSec
CVE-2026-107794 Details - Not Deferred