{
   "document": {
      "aggregate_severity": {
         "text": "critical"
      },
      "category": "csaf_security_advisory",
      "csaf_version": "2.0",
      "distribution": {
         "tlp": {
            "label": "WHITE",
            "url": "https://www.first.org/tlp/"
         }
      },
      "lang": "en",
      "notes": [
         {
            "category": "description",
            "text": "TOML::XS versions before 0.06 for Perl bundle an unsupported and vulnerable version of tomlc99.\n\nThe tomlc99 library is no longer maintained, and has an uncontrolled recursion vulnerability publicly reported in the issue tracker.\n\nAny caller that passes untrusted TOML to from_toml risks a stack overflow from a deeply-nested document.\n\nTOML::XS version 0.06 or later uses the successor tomlc17 library.",
            "title": "Vulnerability Description"
         }
      ],
      "publisher": {
         "category": "other",
         "contact_details": "gdt@cpan.org",
         "name": "giterlizzi",
         "namespace": "https://github.com/giterlizzi/"
      },
      "references": [
         {
            "category": "self",
            "summary": "CPANSA-TOML-XS-2026-16634 JSON",
            "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-toml-xs-2026-16634.json"
         },
         {
            "category": "external",
            "summary": "https://github.com/cktan/tomlc17",
            "url": "https://github.com/cktan/tomlc17"
         },
         {
            "category": "external",
            "summary": "https://github.com/cktan/tomlc99/issues/97",
            "url": "https://github.com/cktan/tomlc99/issues/97"
         },
         {
            "category": "external",
            "summary": "https://metacpan.org/release/FELIPE/TOML-XS-0.06/changes",
            "url": "https://metacpan.org/release/FELIPE/TOML-XS-0.06/changes"
         },
         {
            "category": "external",
            "summary": "https://raw.githubusercontent.com/cktan/tomlc99/29076dfd095bbbbd50a3c1b2760d29f4b83e74ac/README.md",
            "url": "https://raw.githubusercontent.com/cktan/tomlc99/29076dfd095bbbbd50a3c1b2760d29f4b83e74ac/README.md"
         },
         {
            "category": "external",
            "summary": "https://toml.io/en/v1.0.0",
            "url": "https://toml.io/en/v1.0.0"
         },
         {
            "category": "external",
            "summary": "http://www.openwall.com/lists/oss-security/2026/07/24/4",
            "url": "http://www.openwall.com/lists/oss-security/2026/07/24/4"
         },
         {
            "category": "external",
            "summary": "https://github.com/cktan/tomlc99/issues/97",
            "url": "https://github.com/cktan/tomlc99/issues/97"
         },
         {
            "category": "external",
            "summary": "CVE-2026-16634 (NVD)",
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16634"
         }
      ],
      "title": "TOML-XS vulnerability",
      "tracking": {
         "current_release_date": "2026-07-24T00:00:00",
         "generator": {
            "engine": {
               "name": "CSAF Perl Toolkit",
               "version": "0.26"
            }
         },
         "id": "CPANSA-TOML-XS-2026-16634",
         "initial_release_date": "2026-07-24T00:00:00",
         "revision_history": [
            {
               "date": "2026-07-24T00:00:00",
               "number": "1",
               "summary": "First release"
            }
         ],
         "status": "final",
         "version": "1"
      }
   },
   "product_tree": {
      "branches": [
         {
            "branches": [
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/<0.06",
                  "product": {
                     "name": "TOML-XS less than 0.06",
                     "product_id": "CSAFPID-0001",
                     "product_identification_helper": {
                        "purl": "pkg:cpan/TOML-XS"
                     }
                  }
               },
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>=0.06",
                  "product": {
                     "name": "TOML-XS greater than or equal 0.06",
                     "product_id": "CSAFPID-0002",
                     "product_identification_helper": {
                        "purl": "pkg:cpan/TOML-XS"
                     }
                  }
               }
            ],
            "category": "product_name",
            "name": "TOML-XS"
         }
      ]
   },
   "vulnerabilities": [
      {
         "cve": "CVE-2026-16634",
         "cwe": {
            "id": "CWE-1104",
            "name": "Use of Unmaintained Third Party Components"
         },
         "notes": [
            {
               "category": "description",
               "text": "TOML::XS versions before 0.06 for Perl bundle an unsupported and vulnerable version of tomlc99.\n\nThe tomlc99 library is no longer maintained, and has an uncontrolled recursion vulnerability publicly reported in the issue tracker.\n\nAny caller that passes untrusted TOML to from_toml risks a stack overflow from a deeply-nested document.\n\nTOML::XS version 0.06 or later uses the successor tomlc17 library.",
               "title": "Vulnerability Description"
            }
         ],
         "product_status": {
            "fixed": [
               "CSAFPID-0002"
            ],
            "known_affected": [
               "CSAFPID-0001"
            ]
         },
         "scores": [
            {
               "cvss_v3": {
                  "baseScore": 9.8,
                  "baseSeverity": "CRITICAL",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "version": "3.1"
               },
               "products": [
                  "CSAFPID-0001"
               ]
            }
         ]
      }
   ]
}