wasm3 NewCodePage memory leak

{
  "id": "ae4fe804d00447b90ecee2c07c296a8aee347634e1df7b77acfe36e1d8218d15",
  "url": "https://osv.dev/vulnerability/CVE-2025-15572",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "wasm3 NewCodePage memory leak",
    "summary": "A vulnerability has been found in wasm3 up to 0.5.0. The affected element is the function NewCodePage. The manipulation leads to memory leak. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. Unfortunately, the project has no active maintainer at the moment.",
    "evidence": "osv:CVE-2025-15572",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2025-15572",
      "aliases": [
        "CVE-2025-15572"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wasm3/wasm3",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6b8bcb1e07bf26ebef09a7211b0a37a446eafd52"
                },
                {
                  "last_affected": "6b8bcb1e07bf26ebef09a7211b0a37a446eafd52"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.5.0"
                      },
                      {
                        "last_affected": "0.5.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "cpe": "cpe:2.3:a:wasm3_project:wasm3:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.5.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.5.0",
            "v0.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-15572.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.643397179Z",
      "provider": "osv",
      "references": [
        "https://github.com/wasm3/wasm3/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15572.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-15572",
        "https://vuldb.com/?id.344934",
        "https://vuldb.com/?submit.752765",
        "https://github.com/wasm3/wasm3/issues/550",
        "https://vuldb.com/?ctiid.344934",
        "https://github.com/oneafter/cve-proofs/blob/main/POC-20251203-07/repro"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-401",
          "CWE-404"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0.1"
                  },
                  {
                    "last_affected": "0.1"
                  },
                  {
                    "introduced": "0.2"
                  },
                  {
                    "last_affected": "0.2"
                  },
                  {
                    "introduced": "0.3"
                  },
                  {
                    "last_affected": "0.3"
                  },
                  {
                    "introduced": "0.4"
                  },
                  {
                    "last_affected": "0.4"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15572.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-15572",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497574,
  "published_at": "2026-02-10T15:32:08.031+00:00"
}