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CVE-2026-107373

Published Oct 10, 2026·Last modified Oct 11, 2026
Affected Components(11)
tsee/extutils-typemap-default
ExtUtils-Typemap-Default-0.02
tsee/extutils-typemap-default
ExtUtils-Typemaps-Default-1.04
tsee/extutils-typemap-default
ExtUtils-Typemaps-Default-1.01
1 / 4
Description

ExtUtils::Typemaps::STL::String versions before 1.06 for Perl T_STD_STRING typemap may read the SV length before stringifying the argument.

The typemap uses

$var = std::string( SvPV_nolen($arg), SvCUR($arg) )

However, evaluation order for C++ arguments is not specified, and some compilers may produce code that evalutes SvCUR($arg) first.

When $arg is not a string (for example, an interger, number or a reference) then SvCUR will return an invalid value, and the program may abort or segfault.

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Risk Scores
Base Score
0.0

Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.

Threat Intelligence
0.0

No exploitation activity has been observed at this time. Continue routine monitoring.

EPSS
0.19%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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