{"id":"CVE-2026-113811","state":"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.","publishedAt":"2026-10-21T20:58:36.873Z","updatedAt":"2026-10-30T15:49:54.511Z","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":["Algorithm-UrataniTakeda"],"affected":[{"packageName":"Algorithm-UrataniTakeda","packageURL":"pkg:cpan/Algorithm-UrataniTakeda","defaultStatus":"unaffected","versions":[{"version":"0.1.5","status":"affected","lessThan":"0.1.7","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","modules":["Algorithm::UrataniTakeda"],"programFiles":["lib/Algorithm/UrataniTakeda.pm"],"programRoutines":[{"name":"Algorithm::UrataniTakeda::search"}],"repo":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda"}],"references":["https://github.com/robrwo/perl-Algorithm-UrataniTakeda/security/advisories/GHSA-9vcx-647w-pr3h","https://metacpan.org/release/RRWO/Algorithm-UrataniTakeda-v0.1.7/changes","https://github.com/robrwo/perl-Algorithm-UrataniTakeda/commit/79897ef86a5a9bb6bc381718fe977c8150bc3d5b.patch","http://www.openwall.com/lists/oss-security/2026/10/21/27"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-30T15:58:06.618Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/113xxx/CVE-2026-113811.json","commit":"2b1b837cd89354d9c9a57d56e0640dc825b19235","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-113811","state":"PUBLISHED","datePublished":"2026-10-21T20:58:36.873Z","dateUpdated":"2026-10-30T15:49:54.511Z","assignerShortName":"CPANSec","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateReserved":"2026-10-20T18:30:13.185Z"},"containers":{"cna":{"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","descriptions":[{"lang":"en","value":"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."}],"affected":[{"packageName":"Algorithm-UrataniTakeda","packageURL":"pkg:cpan/Algorithm-UrataniTakeda","defaultStatus":"unaffected","versions":[{"version":"0.1.5","status":"affected","lessThan":"0.1.7","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","modules":["Algorithm::UrataniTakeda"],"programFiles":["lib/Algorithm/UrataniTakeda.pm"],"programRoutines":[{"name":"Algorithm::UrataniTakeda::search"}],"repo":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda"}],"references":[{"url":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda/security/advisories/GHSA-9vcx-647w-pr3h","tags":["vendor-advisory"]},{"url":"https://metacpan.org/release/RRWO/Algorithm-UrataniTakeda-v0.1.7/changes","tags":["release-notes"]},{"url":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda/commit/79897ef86a5a9bb6bc381718fe977c8150bc3d5b.patch","tags":["patch"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CPANSec","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateUpdated":"2026-10-21T20:58:36.873Z"},"solutions":[{"lang":"en","value":"Upgrade to Algorithm-UrataniTakeda 0.1.7 or later."}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/21/27"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-10-22T00:16:42.813Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda/security/advisories/GHSA-9vcx-647w-pr3h","tags":["exploit"]}],"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":"2026-10-30T15:49:45.476740Z","id":"CVE-2026-113811","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-30T15:49:54.511Z"}}]}}}