{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.9.2"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "f897d5a0fed3a4474a4c3137c7b92853845fed47"
            }
          ],
          "repo": "https://github.com/vstakhov/libucl",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "A vulnerability classified as problematic was found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function ucl_parse_multiline_string of the file src/ucl_parser.c. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.",
  "id": "CVE-2025-6499",
  "modified": "2026-04-01T23:09:58.286894042Z",
  "published": "2025-06-23T03:15:26.717Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?id.313615"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?submit.601011"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?ctiid.313615"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/vstakhov/libucl/issues/319"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/user-attachments/files/19825399/libucl_crash.txt"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}