{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.4.5"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2068d015b9db3c92481e869b0c1f669b96a1d70a"
            },
            {
              "fixed": "bf0d11ebfe3da0da72aed91816f665aef1b447cc"
            }
          ],
          "repo": "https://github.com/artem-ogre/cdt",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15647.json"
  },
  "details": "CDT before 1.4.5 contains an out-of-bounds read vulnerability in the opposedVertexInd() function when constraint edge intersections are computed in floating point and round outside adjacent triangles. Attackers can supply nearly-degenerate constraint edges through geometry data to trigger an out-of-bounds array access that crashes the calling process.",
  "id": "CVE-2025-15647",
  "modified": "2026-09-07T03:30:37.878642273Z",
  "published": "2026-09-05T11:37:59.945Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15647.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/artem-ogre/CDT/releases/tag/1.4.5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15647"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/cdt-before-1.4.5-out-of-bounds-read-via-opposedvertexind"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/artem-ogre/CDT/issues/212"
    },
    {
      "type": "FIX",
      "url": "https://github.com/artem-ogre/CDT/commit/bf0d11ebfe3da0da72aed91816f665aef1b447cc"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/artem-ogre/CDT"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/artem-ogre/CDT/blob/1.4.4/CDT/include/CDTUtils.hpp#L175"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "CDT before 1.4.5 Out-of-Bounds Read via opposedVertexInd"
}