{"id":"CVE-2026-113811","aliases":["EUVD-2026-107567","GHSA-9vcx-647w-pr3h"],"status":"published","title":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search","description":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search.\n\nThe failure shift is cached for each pair of trie state and text character in a field of the matcher object, and nothing clears it. A character not seen before at a given state adds an entry that lasts for the life of the matcher.\n\nAn attacker who can submit text with many distinct characters to a long-lived matcher can grow its memory with each search.","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":0.00605,"percentile":0.49465,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-10-21T20:58:36Z","modified":"2026-11-01T02:30:30Z","references":[{"url":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda/security/advisories/GHSA-9vcx-647w-pr3h","tags":["vendor-advisory","exploit","advisory"]},{"url":"https://metacpan.org/release/RRWO/Algorithm-UrataniTakeda-v0.1.7/changes","tags":["release-notes","advisory"]},{"url":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda/commit/79897ef86a5a9bb6bc381718fe977c8150bc3d5b.patch","tags":["patch","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/21/27","tags":["web"]},{"url":"https://cpan.org/modules","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113811.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113811","tags":["advisory"]},{"url":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-113811","title":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search","description":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search.\n\nThe failure shift is cached for each pair of trie state and text character in a field of the matcher object, and nothing clears it. A character not seen before at a given state adds an entry that lasts for the life of the matcher.\n\nAn attacker who can submit text with many distinct characters to a long-lived matcher can grow its memory with each search.","status":"published","published":"2026-10-21T20:58:36.873Z","modified":"2026-10-30T15:49:54.511Z","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-770"],"updated_at":"2026-11-02T13:44:29.519518Z"}],"euvd":[{"id":"EUVD-2026-107567","description":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search.\n\nThe failure shift is cached for each pair of trie state and text character in a field of the matcher object, and nothing clears it. A character not seen before at a given state adds an entry that lasts for the life of the matcher.\n\nAn attacker who can submit text with many distinct characters to a long-lived matcher can grow its memory with each search.","status":"published","published":"2026-10-21T20:58:36Z","modified":"2026-10-30T15:49:54Z","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":"2026-11-02T16:59:06.268136Z"}],"nvd":[{"id":"CVE-2026-113811","description":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search.\n\nThe failure shift is cached for each pair of trie state and text character in a field of the matcher object, and nothing clears it. A character not seen before at a given state adds an entry that lasts for the life of the matcher.\n\nAn attacker who can submit text with many distinct characters to a long-lived matcher can grow its memory with each search.","status":"published","published":"2026-10-21T21:17:55.78Z","modified":"2026-10-30T16:17:39.65Z","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-770"],"updated_at":"2026-11-02T14:13:02.371082Z"}],"osv":[{"id":"CVE-2026-113811","title":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search","description":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search.\n\nThe failure shift is cached for each pair of trie state and text character in a field of the matcher object, and nothing clears it. A character not seen before at a given state adds an entry that lasts for the life of the matcher.\n\nAn attacker who can submit text with many distinct characters to a long-lived matcher can grow its memory with each search.","status":"published","published":"2026-10-21T20:58:36.873Z","modified":"2026-11-01T02:30:30.290678961Z","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-770"],"updated_at":"2026-11-02T15:44:56.310988Z"}]}}