{
   "document": {
      "category": "csaf_security_advisory",
      "csaf_version": "2.0",
      "distribution": {
         "tlp": {
            "label": "WHITE",
            "url": "https://www.first.org/tlp/"
         }
      },
      "lang": "en",
      "notes": [
         {
            "category": "description",
            "text": "Storable versions before 3.05 for Perl has a stack overflow.  The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.",
            "title": "Vulnerability Description"
         }
      ],
      "publisher": {
         "category": "other",
         "contact_details": "gdt@cpan.org",
         "name": "giterlizzi",
         "namespace": "https://github.com/giterlizzi/"
      },
      "references": [
         {
            "category": "self",
            "summary": "CPANSA-Storable-2017-20230 JSON",
            "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-storable-2017-20230.json"
         },
         {
            "category": "external",
            "summary": "https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch",
            "url": "https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch"
         },
         {
            "category": "external",
            "summary": "https://github.com/Perl/perl5/issues/15831",
            "url": "https://github.com/Perl/perl5/issues/15831"
         },
         {
            "category": "external",
            "summary": "https://metacpan.org/release/RURBAN/Storable-3.05/changes",
            "url": "https://metacpan.org/release/RURBAN/Storable-3.05/changes"
         },
         {
            "category": "external",
            "summary": "https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html",
            "url": "https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html"
         },
         {
            "category": "external",
            "summary": "https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html",
            "url": "https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html"
         },
         {
            "category": "external",
            "summary": "http://www.openwall.com/lists/oss-security/2026/04/21/5",
            "url": "http://www.openwall.com/lists/oss-security/2026/04/21/5"
         },
         {
            "category": "external",
            "summary": "CVE-2017-20230 (NVD)",
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-20230"
         }
      ],
      "title": "Storable vulnerability",
      "tracking": {
         "current_release_date": "2026-04-21T00:00:00",
         "generator": {
            "engine": {
               "name": "CSAF Perl Toolkit",
               "version": "0.26"
            }
         },
         "id": "CPANSA-Storable-2017-20230",
         "initial_release_date": "2026-04-21T00:00:00",
         "revision_history": [
            {
               "date": "2026-04-21T00:00:00",
               "number": "1",
               "summary": "First release"
            }
         ],
         "status": "final",
         "version": "1"
      }
   },
   "product_tree": {
      "branches": [
         {
            "branches": [
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/<3.05",
                  "product": {
                     "name": "Storable less than 3.05",
                     "product_id": "CSAFPID-0001",
                     "product_identification_helper": {
                        "purl": "pkg:cpan/Storable"
                     }
                  }
               },
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>=3.05",
                  "product": {
                     "name": "Storable greater than or equal 3.05",
                     "product_id": "CSAFPID-0002",
                     "product_identification_helper": {
                        "purl": "pkg:cpan/Storable"
                     }
                  }
               }
            ],
            "category": "product_name",
            "name": "Storable"
         }
      ]
   },
   "vulnerabilities": [
      {
         "cve": "CVE-2017-20230",
         "cwe": {
            "id": "CWE-121",
            "name": "Stack-based Buffer Overflow"
         },
         "notes": [
            {
               "category": "description",
               "text": "Storable versions before 3.05 for Perl has a stack overflow.\n\nThe retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.",
               "title": "Vulnerability Description"
            }
         ],
         "product_status": {
            "fixed": [
               "CSAFPID-0002"
            ],
            "known_affected": [
               "CSAFPID-0001"
            ]
         },
         "scores": [
            {
               "cvss_v3": {
                  "baseScore": 10.0,
                  "baseSeverity": "CRITICAL",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
                  "version": "3.1"
               },
               "products": [
                  "CSAFPID-0001"
               ]
            }
         ]
      }
   ]
}