BREW-MAILCATCHER-CVE-2012-2139 (GHSA-CJ92-C4FJ-W9C5)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:11 – Updated: 2026-09-04 09:28 – Source website
VLAI
Summary
Mail Gem Path Traversal vulnerability
Details

Directory traversal vulnerability in lib/mail/network/delivery_methods/file_delivery.rb in the Mail gem before 2.4.4 for Ruby allows remote attackers to read arbitrary files via a .. (dot dot) in the to parameter.

References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "resource": "mail",
        "resource_purl": "pkg:gem/mail@2.9.1",
        "upstream_fixed_in": "2.4.4"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "mailcatcher",
        "purl": "pkg:brew/mailcatcher"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.10.0_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "RubyGems",
        "key": "pkg:gem/mail@2.9.1",
        "name": "mail",
        "resource": "mail",
        "strategy": "registry",
        "subject_version": "2.9.1"
      }
    ]
  },
  "details": "Directory traversal vulnerability in `lib/mail/network/delivery_methods/file_delivery.rb` in the Mail gem before 2.4.4 for Ruby allows remote attackers to read arbitrary files via a `..` (dot dot) in the to parameter.",
  "id": "BREW-mailcatcher-CVE-2012-2139",
  "modified": "2026-09-04T09:28:54Z",
  "published": "2026-08-13T17:11:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2012-2139"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mikel/mail/commit/29aca25218e4c82991400eb9b0c933626aefc98f"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.novell.com/show_bug.cgi?id=759092"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816352"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mikel/mail"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080645.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080648.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080747.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2012/04/25/8"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2012/04/26/1"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "Mail Gem Path Traversal vulnerability",
  "upstream": [
    "GHSA-cj92-c4fj-w9c5",
    "CVE-2012-2139"
  ]
}



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