{
   "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": "A heap buffer overflow vulnerability was discovered in Perl.   When there are non-ASCII bytes in the left-hand-side of the `tr` operator, `S_do_trans_invmap` can overflow the destination pointer `d`.     $ perl -e '$_ = \"\\x{FF}\" x 1000000; tr/\\xFF/\\x{100}/;'     Segmentation fault (core dumped)  It is believed that this vulnerability can enable Denial of Service and possibly Code Execution attacks on platforms that lack sufficient defenses.",
            "title": "Vulnerability Description"
         }
      ],
      "publisher": {
         "category": "other",
         "contact_details": "gdt@cpan.org",
         "name": "giterlizzi",
         "namespace": "https://github.com/giterlizzi/"
      },
      "references": [
         {
            "category": "self",
            "summary": "CPANSA-perl-2024-56406 JSON",
            "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2025/cpansa-perl-2024-56406.json"
         },
         {
            "category": "external",
            "summary": "https://github.com/Perl/perl5/commit/87f42aa0e0096e9a346c9672aa3a0bd3bef8c1dd.patch",
            "url": "https://github.com/Perl/perl5/commit/87f42aa0e0096e9a346c9672aa3a0bd3bef8c1dd.patch"
         },
         {
            "category": "external",
            "summary": "https://metacpan.org/release/SHAY/perl-5.38.4/changes",
            "url": "https://metacpan.org/release/SHAY/perl-5.38.4/changes"
         },
         {
            "category": "external",
            "summary": "https://metacpan.org/release/SHAY/perl-5.40.2/changes",
            "url": "https://metacpan.org/release/SHAY/perl-5.40.2/changes"
         },
         {
            "category": "external",
            "summary": "http://www.openwall.com/lists/oss-security/2025/04/13/3",
            "url": "http://www.openwall.com/lists/oss-security/2025/04/13/3"
         },
         {
            "category": "external",
            "summary": "http://www.openwall.com/lists/oss-security/2025/04/13/4",
            "url": "http://www.openwall.com/lists/oss-security/2025/04/13/4"
         },
         {
            "category": "external",
            "summary": "CVE-2024-56406 (NVD)",
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-56406"
         }
      ],
      "title": "perl vulnerability",
      "tracking": {
         "current_release_date": "2025-04-13T00:00:00",
         "generator": {
            "engine": {
               "name": "CSAF Perl Toolkit",
               "version": "0.26"
            }
         },
         "id": "CPANSA-perl-2024-56406",
         "initial_release_date": "2025-04-13T00:00:00",
         "revision_history": [
            {
               "date": "2025-04-13T00:00:00",
               "number": "1",
               "summary": "First release"
            }
         ],
         "status": "final",
         "version": "1"
      }
   },
   "product_tree": {
      "branches": [
         {
            "branches": [
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>0|<5.38.4",
                  "product": {
                     "name": "perl greater than 0 and less than 5.38.4",
                     "product_id": "CSAFPID-0001"
                  }
               },
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>=5.40.0|<5.40.2",
                  "product": {
                     "name": "perl greater than or equal 5.40.0 and less than 5.40.2",
                     "product_id": "CSAFPID-0002"
                  }
               },
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>=5.40.1",
                  "product": {
                     "name": "perl greater than or equal 5.40.1",
                     "product_id": "CSAFPID-0003"
                  }
               },
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>=5.38.4|<5.40.0",
                  "product": {
                     "name": "perl greater than or equal 5.38.4 and less than 5.40.0",
                     "product_id": "CSAFPID-0004"
                  }
               }
            ],
            "category": "product_name",
            "name": "perl"
         }
      ]
   },
   "vulnerabilities": [
      {
         "cve": "CVE-2024-56406",
         "cwe": {
            "id": "CWE-122",
            "name": "Heap-based Buffer Overflow"
         },
         "notes": [
            {
               "category": "description",
               "text": "A heap buffer overflow vulnerability was discovered in Perl. \n\nRelease branches 5.34, 5.36, 5.38 and 5.40 are affected, including development versions from 5.33.1 through 5.41.10.\n\nWhen there are non-ASCII bytes in the left-hand-side of the `tr` operator, `S_do_trans_invmap` can overflow the destination pointer `d`.\n\n   $ perl -e '$_ = \"\\x{FF}\" x 1000000; tr/\\xFF/\\x{100}/;' \n   Segmentation fault (core dumped)\n\nIt is believed that this vulnerability can enable Denial of Service and possibly Code Execution attacks on platforms that lack sufficient defenses.",
               "title": "Vulnerability Description"
            }
         ],
         "product_status": {
            "fixed": [
               "CSAFPID-0003",
               "CSAFPID-0004"
            ],
            "known_affected": [
               "CSAFPID-0001",
               "CSAFPID-0002"
            ]
         },
         "scores": [
            {
               "cvss_v3": {
                  "baseScore": 8.4,
                  "baseSeverity": "HIGH",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "version": "3.1"
               },
               "products": [
                  "CSAFPID-0001",
                  "CSAFPID-0002"
               ]
            }
         ]
      }
   ]
}