{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "20260526"
              },
              {
                "fixed": "20260526"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1a4bd856484263caa4a5e0d6ba377c3dc69150c7"
            }
          ],
          "repo": "https://github.com/libyal/libregf",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111140.json"
  },
  "details": "libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.",
  "id": "CVE-2026-111140",
  "modified": "2026-10-17T02:30:47.313813362Z",
  "published": "2026-10-15T18:57:32.622Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111140.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111140"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/libregf-through-20260526-heap-out-of-bounds-read-via-libregf-value-item-read-value-data"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/libyal/libregf"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/libyal/libregf/blob/1a4bd856484263caa4a5e0d6ba377c3dc69150c7/libregf/libregf_value_item.c#L789-L935"
    },
    {
      "type": "EVIDENCE",
      "url": "https://hackmd.io/@haind-pwn/libregf-value-data-offset-oob-read"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "libregf through 20260526 Heap Out-of-Bounds Read via libregf_value_item_read_value_data"
}