{"id":"CVE-2026-107373","title":"ExtUtils::Typemaps::STL::String versions before 1.06 for Perl T_STD_STRING typemap may read the SV length before stringifying the argument.\n\nThe typemap uses\n\n    $var = std::string( SvPV_nolen($arg), SvCUR($arg) )\n\nHowever, evaluation o…","summary":"ExtUtils::Typemaps::STL::String versions before 1.06 for Perl T_STD_STRING typemap may read the SV length before stringifying the argument.\n\nThe typemap uses\n\n    $var = std::string( SvPV_nolen($arg), SvCUR($arg) )\n\nHowever, evaluation o…","severity":"none","cwe":["CWE-125"],"published":"2026-10-10","updated":"2026-10-10","sourceUpdated":"2026-10-10T13:17:31.253","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107373","references":[{"url":"https://github.com/tsee/extutils-typemap-default/commit/a6b9c298b34ddadc582961403e715d292f82a22d","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://metacpan.org/release/SMUELLER/ExtUtils-Typemaps-Default-1.06/changes","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://rt.cpan.org/Public/Bug/Display.html?id=94110","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80490","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"}],"tags":["nvd"],"ingestedAt":"2026-10-10T14:06:22.282Z","slug":"CVE-2026-107373","body":"## Overview\n\nExtUtils::Typemaps::STL::String versions before 1.06 for Perl T_STD_STRING typemap may read the SV length before stringifying the argument.\n\nThe typemap uses\n\n    $var = std::string( SvPV_nolen($arg), SvCUR($arg) )\n\nHowever, evaluation order for C++ arguments is not specified, and some compilers may produce code that evalutes SvCUR($arg) first.\n\nWhen $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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}