Net::Dropbear versions through 0.16 for Perl contains a dependency that may be susceptible to an integer overflow

{
  "id": "f01a9069bb9e58100edb56ee5732ae0a9d948bdd400278865f3893f698c157c0",
  "url": "https://osv.dev/vulnerability/CVE-2025-40913",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Net::Dropbear versions through 0.16 for Perl contains a dependency that may be susceptible to an integer overflow",
    "summary": "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.",
    "evidence": "osv:CVE-2025-40913",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-40913",
      "aliases": [
        "CVE-2025-40913",
        "CVE-2025-40914",
        "GHSA-j3xv-6967-cv88"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/libtom/libtommath",
              "type": "GIT",
              "events": [
                {
                  "introduced": "390fa39dc519551eb3c6e93fe3fa52a9ec9d9833"
                },
                {
                  "last_affected": "14161e843e7aee94c41370b0a731182e9618f796"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.01"
                      },
                      {
                        "last_affected": "0.16"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.16"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.16",
            "0.15",
            "0.14",
            "0.13",
            "0.12",
            "0.11",
            "0.10",
            "0.09",
            "0.08",
            "0.07",
            "0.06",
            "0.05",
            "0.03",
            "0.02",
            "0.04",
            "0.01"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40913.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.333635807Z",
      "provider": "osv",
      "references": [
        "https://cpan.org/modules",
        "https://metacpan.org/release/ATRODO/Net-Dropbear-0.16/source/dropbear/libtommath/bn_mp_grow.c",
        "https://www.cve.org/CVERecord?id=CVE-2023-36328",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40913.json",
        "https://github.com/advisories/GHSA-j3xv-6967-cv88",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-40913",
        "https://github.com/libtom/libtommath/pull/546",
        "https://github.com/atrodo/Net-Dropbear"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1395"
        ],
        "cna_assigner": "CPANSec",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40913.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-40913",
        "evidence": "/id"
      },
      {
        "value": "CVE-2025-40914",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497100,
  "published_at": "2025-07-16T14:05:33.899+00:00"
}