{"id":"CVE-2026-116268","aliases":[],"cve":{"records":[{"id":"CVE-2026-116268","source":"CPANSec","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-25T18:05:02.236Z","published":"2026-10-28T17:33:04.336Z","modified":"2026-10-28T17:33:04.336Z"}],"publishers":[{"name":"CPANSec","role":"CNA","organizationId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","modified":"2026-10-28T17:33:04.336Z"}],"references":[{"url":"https://metacpan.org/release/DSKOLL/MIME-tools-5.521/changes","tags":["release-notes"],"source":"CPANSec"}],"weaknesses":[{"id":"CWE-1333","description":"CWE-1333 Inefficient Regular Expression Complexity","source":"CPANSec"}],"applicability":[],"prioritization":[]},"title":"MIME::Field::ParamVal versions before 5.521 for Perl allow CPU exhaustion via unclosed comments in header parameters","titleSource":"CPANSec","descriptionSource":"CPANSec","description":"MIME::Field::ParamVal versions before 5.521 for Perl allow CPU exhaustion via unclosed comments in header parameters.\n\nThe comment pattern used to parse Content-Type and Content-Disposition parameters scans from each \"(\" to the next \")\". In a field with no \")\", every \"(\" scans to the end of the header and fails, so parsing takes time quadratic in the header length. The field is parsed again on each attribute lookup, several times per MIME entity.\n\nA 40 KB header takes about 7 seconds to parse once.","score":null,"severity":"unknown","published":"2026-10-28T17:33:04.336Z","modified":"2026-10-28T17:33:04.336Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"","name":"MIME-tools","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"5.521","versionType":"custom"}],"defaultStatus":"unaffected","packageURL":"pkg:cpan/MIME-tools","cpes":[],"source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-116268"}],"remediation":[{"text":"Upgrade to MIME-tools 5.521 or later.","source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-116268"}],"references":["https://metacpan.org/release/DSKOLL/MIME-tools-5.521/changes"],"sources":[{"name":"CVE","id":"CVE-2026-116268","modified":"2026-10-28T17:33:04.336Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116268"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-10-29T14:34:58.783Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:10:32.801Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-10-28T18:05:33.120Z","attemptedAt":"2026-10-28T18:05:33.120Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-28T18:05:33.480Z","attemptedAt":"2026-10-28T18:05:33.480Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-28T18:05:33.533Z","attemptedAt":"2026-10-28T18:05:33.533Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-28T18:05:33.376Z","attemptedAt":"2026-10-28T18:05:33.376Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-112300","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112300","modified":"Oct 28, 2026, 5:33:04 PM","checkedAt":"2026-10-28T18:05:33.533Z"}],"aiSummary":{"text":"MIME::Field::ParamVal versions before 5.521 for Perl are vulnerable to CPU exhaustion via unclosed comments in header parameters, causing parsing time to increase quadratically with header length. Local access is required. The impact is CPU exhaustion.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T08:49:07.452Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-116268"}]}}