{"id":"CVE-2026-107794","title":"ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list.\n\nThe OUTPUT typemaps call av_extend( av, len-1 )","summary":"ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list.\n\nThe OUTPUT typemaps call av_extend( av, len-1 ). On an empty list, this undeflows, and av_extend will allocate an array with 2^32 slot…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-191"],"product":"ExtUtils-Typemaps-Default","affected":["ExtUtils-Typemaps-Default < 1.07"],"published":"2026-10-10","updated":"2026-10-16","sourceUpdated":"2026-10-16T20:17:18.793","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107794","references":[{"url":"https://metacpan.org/release/SMUELLER/ExtUtils-Typemaps-Default-1.07/changes","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://rt.cpan.org/Public/Bug/Display.html?id=91213","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-10076","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"}],"tags":["nvd","cve.org"],"epss":0.00361,"epssPercentile":0.2966,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-16T19:24:53.026908Z"},"ingestedAt":"2026-10-10T14:06:22.413Z","slug":"CVE-2026-107794","body":"## Overview\n\nExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list.\n\nThe 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.\n\nNote that a similar issue was fixed in ExtUtils::Typemaps::STL::Vector version 1.05.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":223339,"id":"CVE-2026-107794","ts":1792180098515,"field":"cvss","old":null,"new":"7.5"},{"seq":223338,"id":"CVE-2026-107794","ts":1792180098515,"field":"severity","old":"none","new":"high"}]}