{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/vstakhov/libucl",
          "defaultStatus": "unknown",
          "packageName": "libucl",
          "product": "libucl",
          "vendor": "libucl",
          "versions": [
            {
              "status": "affected",
              "version": "3e7f023e184e06f30fb5792dacd9dd0f8b692f1b",
              "versionType": "git"
            }
          ]
        }
      ],
      "datePublic": "2025-05-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Important"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-17T02:44:16.527Z",
        "orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
        "shortName": "fedora"
      },
      "references": [
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2026-0708"
        },
        {
          "name": "RHBZ#2427770",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2427770"
        },
        {
          "url": "https://github.com/vstakhov/libucl/issues/323"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-01-08T03:30:46.275Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2025-05-15T00:00:00.000Z",
          "value": "Made public."
        }
      ],
      "title": "Libucl: libucl: denial of service via embedded null byte in ucl input",
      "workarounds": [
        {
          "lang": "en",
          "value": "To mitigate this issue, applications utilizing `libucl` should avoid processing untrusted input that contains keys with embedded null bytes, especially when operating in `UCL_PARSER_ZEROCOPY` mode. Restricting input to trusted sources can reduce exposure."
        }
      ],
      "x_generator": {
        "engine": "cvelib 1.8.0"
      },
      "x_redhatCweChain": "CWE-125: Out-of-bounds Read"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
    "assignerShortName": "fedora",
    "cveId": "CVE-2026-0708",
    "datePublished": "2026-03-17T02:28:08.429Z",
    "dateReserved": "2026-01-08T03:31:35.226Z",
    "dateUpdated": "2026-03-17T02:44:16.527Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}