{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:vstakhov:libucl:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.9.4"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "058286f4f85e2a66130e8bdaddf402d9c78d259c"
            }
          ],
          "repo": "https://github.com/vstakhov/libucl",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "fedora",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0708.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "3e7f023e184e06f30fb5792dacd9dd0f8b692f1b"
          },
          {
            "last_affected": "3e7f023e184e06f30fb5792dacd9dd0f8b692f1b"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A flaw was found in libucl. A remote attacker could exploit this by providing a specially crafted Universal Configuration Language (UCL) input that contains a key with an embedded null byte. This can cause a segmentation fault (SEGV fault) in the `ucl_object_emit` function when parsing and emitting the object, leading to a Denial of Service (DoS) for the affected system.",
  "id": "CVE-2026-0708",
  "modified": "2026-07-15T01:49:00.554171410Z",
  "published": "2026-03-17T02:28:08.429Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-0708"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0708.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0708"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2427770"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/vstakhov/libucl/issues/323"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/vstakhov/libucl"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Libucl: libucl: denial of service via embedded null byte in ucl input"
}