{
   "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": "Net::Dropbear versions through 0.16 for Perl contains a dependency that may be susceptible to an integer overflow.  Net::Dropbear embeds a version of the libtommath library that is susceptible to an integer overflow associated with CVE-2023-36328.",
            "title": "Vulnerability Description"
         }
      ],
      "publisher": {
         "category": "other",
         "contact_details": "gdt@cpan.org",
         "name": "giterlizzi",
         "namespace": "https://github.com/giterlizzi/"
      },
      "references": [
         {
            "category": "self",
            "summary": "CPANSA-Net-Dropbear-2025-40913 JSON",
            "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2025/cpansa-net-dropbear-2025-40913.json"
         },
         {
            "category": "external",
            "summary": "https://github.com/advisories/GHSA-j3xv-6967-cv88",
            "url": "https://github.com/advisories/GHSA-j3xv-6967-cv88"
         },
         {
            "category": "external",
            "summary": "https://github.com/libtom/libtommath/pull/546",
            "url": "https://github.com/libtom/libtommath/pull/546"
         },
         {
            "category": "external",
            "summary": "https://metacpan.org/release/ATRODO/Net-Dropbear-0.16/source/dropbear/libtommath/bn_mp_grow.c",
            "url": "https://metacpan.org/release/ATRODO/Net-Dropbear-0.16/source/dropbear/libtommath/bn_mp_grow.c"
         },
         {
            "category": "external",
            "summary": "https://www.cve.org/CVERecord?id=CVE-2023-36328",
            "url": "https://www.cve.org/CVERecord?id=CVE-2023-36328"
         },
         {
            "category": "external",
            "summary": "CVE-2025-40913 (NVD)",
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40913"
         },
         {
            "category": "external",
            "summary": "CVE-2023-36328 (NVD)",
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-36328"
         }
      ],
      "title": "Net-Dropbear vulnerability",
      "tracking": {
         "current_release_date": "2025-07-16T00:00:00",
         "generator": {
            "engine": {
               "name": "CSAF Perl Toolkit",
               "version": "0.26"
            }
         },
         "id": "CPANSA-Net-Dropbear-2025-40913",
         "initial_release_date": "2025-07-16T00:00:00",
         "revision_history": [
            {
               "date": "2025-07-16T00:00:00",
               "number": "1",
               "summary": "First release"
            }
         ],
         "status": "final",
         "version": "1"
      }
   },
   "product_tree": {
      "branches": [
         {
            "branches": [
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>0",
                  "product": {
                     "name": "Net-Dropbear greater than 0",
                     "product_id": "CSAFPID-0001"
                  }
               }
            ],
            "category": "product_name",
            "name": "Net-Dropbear"
         }
      ]
   },
   "vulnerabilities": [
      {
         "cve": "CVE-2025-40913",
         "notes": [
            {
               "category": "description",
               "text": "Net::Dropbear versions through 0.16 for Perl contains a dependency that may be susceptible to an integer overflow.\n\nNet::Dropbear embeds a version of the libtommath library that is susceptible to an integer overflow associated with CVE-2023-36328.",
               "title": "Vulnerability Description"
            }
         ],
         "product_status": {
            "known_affected": [
               "CSAFPID-0001"
            ]
         },
         "scores": [
            {
               "cvss_v3": {
                  "baseScore": 6.5,
                  "baseSeverity": "MEDIUM",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
                  "version": "3.1"
               },
               "products": [
                  "CSAFPID-0001"
               ]
            }
         ]
      },
      {
         "cve": "CVE-2023-36328",
         "cwe": {
            "id": "CWE-190",
            "name": "Integer Overflow or Wraparound"
         },
         "notes": [
            {
               "category": "description",
               "text": "Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9, allows attackers to execute arbitrary code and cause a denial of service (DoS).",
               "title": "Vulnerability Description"
            }
         ],
         "product_status": {
            "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"
               ]
            }
         ]
      }
   ]
}