{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/libyal/libfvde",
          "product": "libfvde",
          "repo": "https://github.com/libyal/libfvde",
          "vendor": "libyal",
          "versions": [
            {
              "lessThanOrEqual": "20260923",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "HaiND from the Post and Telecommunication Institute of Technology"
        }
      ],
      "datePublic": "2026-10-22T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "libfvde through 20260923 contains a heap out-of-bounds read vulnerability in libfvde_encrypted_metadata_read_type_0x001a() caused by an unbounded strlen on embedded XML plist data. Attackers can supply a crafted FileVault 2 volume with non-NUL-terminated plist data, causing libfvde_volume_open() to read past the heap block buffer."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-26T21:52:31.564Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Issue #70",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/libyal/libfvde/issues/70"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/libyal/libfvde"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/libyal/libfvde/commit/c2676fe49d0da44d66e7d750e72c57d2670f0b8f"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/libyal/libfvde/blob/20260923/libfvde/libfvde_encrypted_metadata.c#L2786-L2792"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://hackmd.io/@haindpwn/libfvde-encrypted-metadata-oob-read"
        },
        {
          "name": "VulnCheck Advisory: libfvde through 20260923 Heap Out-of-Bounds Read via libfvde_encrypted_metadata_read_type_0x001a",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/libfvde-through-20260923-heap-out-of-bounds-read-via-libfvde-encrypted-metadata-read-type-0x001a"
        }
      ],
      "title": "libfvde through 20260923 Heap Out-of-Bounds Read via libfvde_encrypted_metadata_read_type_0x001a",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-116729",
    "datePublished": "2026-10-26T21:52:31.564Z",
    "dateReserved": "2026-10-26T20:23:34.860Z",
    "dateUpdated": "2026-10-26T21:52:31.564Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}