CVE-2026-116270 MIME::Words versions before 5.521 for Perl allow memory exhaustion via repeated "=?" sequences in decode_mimewords

[
  {
    "collectionURL": "https://cpan.org/modules",
    "defaultStatus": "unaffected",
    "modules": [
      "MIME::Words"
    ],
    "packageName": "MIME-tools",
    "packageURL": "pkg:cpan/MIME-tools",
    "programFiles": [
      "lib/MIME/Words.pm",
      "lib/MIME/Head.pm"
    ],
    "programRoutines": [
      {
        "name": "MIME::Words::decode_mimewords"
      },
      {
        "name": "MIME::Head::multipart_boundary"
      }
    ],
    "repo": "https://salsa.debian.org/dskoll/mime-tools",
    "versions": [
      {
        "lessThan": "5.521",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]