{"api_version":"1","generated_at":"2026-10-31T15:45:46+00:00","cve":"CVE-2026-116273","urls":{"html":"https://cve.report/CVE-2026-116273","api":"https://cve.report/api/cve/CVE-2026-116273.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-116273","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-116273"},"summary":{"title":"MIME::Parser versions before 5.521 for Perl set no limit on the number of message parts by default, allowing memory exhaustion","description":"MIME::Parser versions before 5.521 for Perl set no limit on the number of message parts by default, allowing memory exhaustion.\n\nThe max_parts option defaulted to -1, which disables the limit, so a parser created with default settings builds an entity for every part however many a message has.\n\nVersion 5.521 sets max_parts to 1000 and max_depth to 64 by default. Setting either to -1 still removes the limit.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-10-28 18:17:13","updated_at":"2026-10-29 15:11:53"},"problem_types":["CWE-770","CWE-1188","CWE-1188 CWE-1188 Initialization of a Resource with an Insecure Default","CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling"],"metrics":[],"references":[{"url":"https://metacpan.org/release/DSKOLL/MIME-tools-5.521/changes","name":"https://metacpan.org/release/DSKOLL/MIME-tools-5.521/changes","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-116273","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116273","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade to MIME-tools 5.521 or later.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"116273","cve":"CVE-2026-116273","epss":"0.001770000","percentile":"0.072550000","score_date":"2026-10-29","updated_at":"2026-10-30 00:05:32"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["MIME::Parser"],"packageName":"MIME-tools","packageURL":"pkg:cpan/MIME-tools","programFiles":["lib/MIME/Parser.pm"],"programRoutines":[{"name":"MIME::Parser::init"},{"name":"MIME::Parser::process_part"}],"repo":"https://salsa.debian.org/dskoll/mime-tools","versions":[{"lessThan":"5.521","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"MIME::Parser versions before 5.521 for Perl set no limit on the number of message parts by default, allowing memory exhaustion.\n\nThe max_parts option defaulted to -1, which disables the limit, so a parser created with default settings builds an entity for every part however many a message has.\n\nVersion 5.521 sets max_parts to 1000 and max_depth to 64 by default. Setting either to -1 still removes the limit."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1188","description":"CWE-1188 Initialization of a Resource with an Insecure Default","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-28T17:34:44.660Z","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec"},"references":[{"tags":["release-notes"],"url":"https://metacpan.org/release/DSKOLL/MIME-tools-5.521/changes"}],"solutions":[{"lang":"en","value":"Upgrade to MIME-tools 5.521 or later."}],"source":{"discovery":"UNKNOWN"},"title":"MIME::Parser versions before 5.521 for Perl set no limit on the number of message parts by default, allowing memory exhaustion","x_generator":{"engine":"cpansec-cna-tool 0.1"}}},"cveMetadata":{"assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","assignerShortName":"CPANSec","cveId":"CVE-2026-116273","datePublished":"2026-10-28T17:34:44.660Z","dateReserved":"2026-10-25T18:05:02.236Z","dateUpdated":"2026-10-28T17:34:44.660Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-28 18:17:13","lastModifiedDate":"2026-10-29 15:11:53","problem_types":["CWE-770","CWE-1188","CWE-1188 CWE-1188 Initialization of a Resource with an Insecure Default","CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"116273","Ordinal":"1","Title":"MIME::Parser versions before 5.521 for Perl set no limit on the ","CVE":"CVE-2026-116273","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"116273","Ordinal":"1","NoteData":"MIME::Parser versions before 5.521 for Perl set no limit on the number of message parts by default, allowing memory exhaustion.\n\nThe max_parts option defaulted to -1, which disables the limit, so a parser created with default settings builds an entity for every part however many a message has.\n\nVersion 5.521 sets max_parts to 1000 and max_depth to 64 by default. Setting either to -1 still removes the limit.","Type":"Description","Title":"MIME::Parser versions before 5.521 for Perl set no limit on the "}]}}}