{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.7.3"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "6662821483d953bf23464ffd64d100d0b8dc3e4c"
            }
          ],
          "repo": "https://github.com/aorimn/dislocker",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-191"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107635.json"
  },
  "details": "Dislocker through 0.7.3 contains an integer underflow vulnerability in get_vmk() and get_fvek() that allows attackers to trigger out-of-bounds heap reads via crafted datum sizes. Attackers can supply a malicious BitLocker volume image with a datum_size smaller than the 36-byte AES-CCM header, causing hexdump() to over-read and crash dislocker.",
  "id": "CVE-2026-107635",
  "modified": "2026-10-09T02:30:25.583570582Z",
  "published": "2026-10-08T14:10:33.744Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://github.com/Aorimn/dislocker"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/fvek.c#L90-L105"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/vmk.c#L146-L180"
    },
    {
      "type": "FIX",
      "url": "https://github.com/Aorimn/dislocker/commit/0706462db88efe8df88150e4c3e4332b808f4581"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107635.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107635"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/dislocker-through-0.7.3-out-of-bounds-heap-read-via-vmk-fvek-datum-size-underflow"
    }
  ],
  "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": "Dislocker through 0.7.3 Out-of-Bounds Heap Read via VMK/FVEK Datum Size Underflow"
}