Unrated severityNVD Advisory· Published Oct 10, 2026
CVE-2026-107794
CVE-2026-107794
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.
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Affected products
2- Range: <1.07
- Range: <1.05
Patches
Vulnerability mechanics
References
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