{"id":"CVE-2026-107794","summary":"ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list","details":"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 slots, leading to memory exhaustion.\n\nNote that a similar issue was fixed in ExtUtils::Typemaps::STL::Vector version 1.05.","modified":"2026-10-12T02:31:21.175843122Z","published":"2026-10-10T12:45:19.991Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107794.json","cna_assigner":"CPANSec","cwe_ids":["CWE-191"]},"references":[{"type":"WEB","url":"https://cpan.org/modules"},{"type":"WEB","url":"https://www.cve.org/CVERecord?id=CVE-2013-10076"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107794.json"},{"type":"ADVISORY","url":"https://metacpan.org/release/SMUELLER/ExtUtils-Typemaps-Default-1.07/changes"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107794"},{"type":"REPORT","url":"https://rt.cpan.org/Public/Bug/Display.html?id=91213"},{"type":"PACKAGE","url":"https://github.com/tsee/extutils-typemap-default"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tsee/extutils-typemap-default","events":[{"introduced":"0"},{"fixed":"6e24166f27fe22e5b239ef7ac95b829f3acd16e8"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.07"}],"source":"AFFECTED_FIELD"}}],"versions":["ExtUtils-Typemaps-Default-1.06","ExtUtils-Typemaps-Default-1.05","ExtUtils-Typemaps-Default-1.04","ExtUtils-Typemaps-Default-1.03","ExtUtils-Typemaps-Default-1.01","ExtUtils-Typemaps-Default-1.00","ExtUtils-Typemap-Default-0.06","ExtUtils-Typemap-Default-0.05","ExtUtils-Typemap-Default-0.04","ExtUtils-Typemap-Default-0.03","ExtUtils-Typemap-Default-0.02","ExtUtils-Typemap-Default-0.01"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-107794.json"}}],"schema_version":"1.9.0"}