{"id":"CVE-2026-107794","state":"PUBLISHED","title":"ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list","description":"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.","publishedAt":"2026-10-10T12:45:19.991Z","updatedAt":"2026-10-16T19:25:02.591Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"CPANSec","products":["ExtUtils-Typemaps-Default"],"affected":[{"packageName":"ExtUtils-Typemaps-Default","packageURL":"pkg:cpan/ExtUtils-Typemaps-Default","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.07","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","modules":["ExtUtils::Typemaps::STL::List"],"programFiles":["lib/ExtUtils/Typemaps/STL/List.pm"],"repo":"https://github.com/tsee/extutils-typemap-default"}],"references":["https://metacpan.org/release/SMUELLER/ExtUtils-Typemaps-Default-1.07/changes","https://rt.cpan.org/Public/Bug/Display.html?id=91213","https://www.cve.org/CVERecord?id=CVE-2013-10076"],"weaknesses":["CWE-191"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/107xxx/CVE-2026-107794.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-107794","state":"PUBLISHED","datePublished":"2026-10-10T12:45:19.991Z","dateUpdated":"2026-10-16T19:25:02.591Z","assignerShortName":"CPANSec","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateReserved":"2026-10-08T21:16:53.596Z"},"containers":{"cna":{"title":"ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list","descriptions":[{"lang":"en","value":"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."}],"affected":[{"packageName":"ExtUtils-Typemaps-Default","packageURL":"pkg:cpan/ExtUtils-Typemaps-Default","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.07","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","modules":["ExtUtils::Typemaps::STL::List"],"programFiles":["lib/ExtUtils/Typemaps/STL/List.pm"],"repo":"https://github.com/tsee/extutils-typemap-default"}],"references":[{"url":"https://metacpan.org/release/SMUELLER/ExtUtils-Typemaps-Default-1.07/changes","tags":["release-notes"]},{"url":"https://rt.cpan.org/Public/Bug/Display.html?id=91213","tags":["related","issue-tracking"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-10076","tags":["related"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-191","description":"CWE-191 Integer Underflow (Wrap or Wraparound)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CPANSec","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateUpdated":"2026-10-10T12:45:19.991Z"},"solutions":[{"lang":"en","value":"Upgrade to ExtUtils::Typemaps::Default version 1.07 or later.\n\nRebuild any modules that use ExtUtils::Typemaps::Default as part of their build process."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2013-12-06T07:04:44.000Z","value":"Issue with ExtUtils::Typemaps::STL::Vector reported for version 1.04."},{"lang":"en","time":"2013-12-06T17:43:00.000Z","value":"ExtUtils::Typemaps::Default version 1.05 released with fix for CVE-2013-10076."},{"lang":"en","time":"2026-10-08T00:00:00.000Z","value":"Issue with ExtUtils::Typemaps::STL::List reported to CPANSec. CVE-2013-10076 assigned retroactively."},{"lang":"en","time":"2026-10-09T00:00:00.000Z","value":"ExtUtils::Typemaps::Default version 1.07 released with fix for CVE-2026-107794."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-16T19:24:53.026908Z","id":"CVE-2026-107794","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-16T19:25:02.591Z"}}]}}}