{"id":"CVE-2026-107794","aliases":["DEBIAN-CVE-2026-107794","EUVD-2026-96315","GHSA-h5wv-6qvp-x98v","MGASA-2026-0544","UBUNTU-CVE-2026-107794","openSUSE-SU-2026:12404-1"],"status":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00361,"percentile":0.30267,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-191"],"published":"2026-10-10T12:45:19Z","modified":"2026-11-04T17:27:20Z","fixes":[{"ecosystem":"Debian:14","package":"libextutils-typemaps-default-perl","fixed_in":["1.07-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.05-5","1.07-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.05-5","1.07-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.07-1"}]}],"versions":["1.05-5"]},{"source":"osv","ecosystem":"Mageia:10","package":"perl-ExtUtils-Typemaps-Default","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.70.0-1.mga10"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.05-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.05-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.05-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.05-2.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.05-5"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.05-5"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libextutils-typemaps-default-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.05-5"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"perl-ExtUtils-Typemaps-Default","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.70.0-1.1"}]}],"bundled":2}],"references":[{"url":"https://metacpan.org/release/SMUELLER/ExtUtils-Typemaps-Default-1.07/changes","tags":["release-notes","advisory","web"]},{"url":"https://rt.cpan.org/Public/Bug/Display.html?id=91213","tags":["related","issue-tracking","report","web"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-10076","tags":["related","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107794","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-h5wv-6qvp-x98v"},{"url":"https://cpan.org/modules","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107794.json","tags":["advisory"]},{"url":"https://github.com/tsee/extutils-typemap-default","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-107794","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0544.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=36504","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2026/10/10/7","tags":["web"]},{"url":"https://metacpan.org/release/SMUELLER/ExtUtils-Typemaps-Default-1.06/changes","tags":["web"]},{"url":"https://rt.cpan.org/Public/Bug/Display.html?id=94110","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2026/10/10/8","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YRN5O43U7BVSD6AUJJF2XIVIIYTDQO6I/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2026-107794","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-107794","tags":["report"]},{"url":"cpan.org/modules","tags":["report"]},{"url":"github.com/tsee/extutils-typemap-default","tags":["report"]},{"url":"github.com/tsee/extutils-typemap-default/commit/10f45bf0d00d3140499755c2ad49f8bf435851ac","tags":["report"]},{"url":"github.com/tsee/extutils-typemap-default/commit/3e6602d8a9db424e5842e001554bf268797e4de1","tags":["report"]},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1150541","tags":["report"]},{"url":"lists.security.metacpan.org/cve-announce/msg/44246012","tags":["report"]},{"url":"rt.cpan.org/public/bug/display.html?id=91213","tags":["report"]},{"url":"security-tracker.debian.org/tracker/cve-2026-107794","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-107373","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-107794","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-107794","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.","status":"published","published":"2026-10-10T12:45:19.991Z","modified":"2026-10-16T19:25:02.591Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T13:45:25.313702Z"}],"euvd":[{"id":"EUVD-2026-96315","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.","status":"published","published":"2026-10-10T12:45:19Z","modified":"2026-10-16T19:25:02Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T17:00:02.396845Z"}],"ghsa":[{"id":"GHSA-h5wv-6qvp-x98v","title":"ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty...","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.","status":"published","published":"2026-10-10T15:30:22Z","modified":"2026-10-16T21:32:17Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T15:13:52.91817Z"}],"nvd":[{"id":"CVE-2026-107794","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.","status":"published","published":"2026-10-10T13:17:31.357Z","modified":"2026-10-16T20:17:18.793Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:12:55.874869Z"}],"osv":[{"id":"CVE-2026-107794","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.","status":"published","published":"2026-10-10T12:45:19.991Z","modified":"2026-11-04T17:27:20.111181816Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-191"],"updated_at":"2026-11-04T17:42:22.653561Z"},{"id":"DEBIAN-CVE-2026-107794","description":"ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list.  The 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.  Note that a similar issue was fixed in ExtUtils::Typemaps::STL::Vector version 1.05.","status":"published","published":"2026-10-10T13:17:31.357Z","modified":"2026-10-23T18:05:10.373271737Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:49.381767Z"},{"id":"UBUNTU-CVE-2026-107794","description":"ExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a 32 GiB array on an empty list. The 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. Note that a similar issue was fixed in ExtUtils::Typemaps::STL::Vector version 1.05.","status":"published","published":"2026-10-10T13:17:00Z","modified":"2026-10-22T10:30:05.019830836Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:55:59.130573Z"},{"id":"MGASA-2026-0544","title":"Updated perl-ExtUtils-Typemaps-Default package fixes security vulnerabilities","description":"ExtUtils::Typemaps::STL::String versions before 1.06 for Perl\nT_STD_STRING typemap may read the SV length before stringifying the\nargument. (CVE-2026-107373)\nExtUtils::Typemaps::STL::List versions before 1.07 for Perl allocate a\n32 GiB array on an empty list. (CVE-2026-107794)\n","status":"published","published":"2026-10-26T15:28:20Z","modified":"2026-10-26T15:30:03.17087964Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"openSUSE-SU-2026:12404-1","title":"perl-ExtUtils-Typemaps-Default-1.70.0-1.1 on GA media","description":"These are all security issues fixed in the perl-ExtUtils-Typemaps-Default-1.70.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-03T00:00:00Z","modified":"2026-11-04T17:23:22.228682618Z","updated_at":"2026-11-04T17:43:22.558805Z"}]}}