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.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| unaffected |
|
No data.
No data.
No data available yet.
Vendor Solution
Upgrade to ExtUtils::Typemaps::Default version 1.07 or later. Rebuild any modules that use ExtUtils::Typemaps::Default as part of their build process.
Tracking
Sign in to view the affected projects.
No advisories yet.
Sat, 10 Oct 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list | |
| Weaknesses | CWE-191 | |
| References |
|
Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: CPANSec
Published:
Updated: 2026-10-10T12:45:19.991Z
Reserved: 2026-10-08T21:16:53.596Z
Link: CVE-2026-107794
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-10-10T13:17:31.357
Modified: 2026-10-10T13:17:31.357
Link: CVE-2026-107794
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-10-10T15:15:19Z
-
CWE-191
Integer Underflow (Wrap or Wraparound)