{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-116737",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-26T20:23:35.945Z",
        "datePublished": "2026-10-26T21:52:37.080Z",
        "dateUpdated": "2026-10-26T21:52:37.080Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-10-26T21:52:37.080Z"
            },
            "datePublic": "2026-10-22T00:00:00.000Z",
            "title": "libphdi through 20260902 Heap Out-of-Bounds Read via Extent Data File Path",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "libphdi through 20260902 contains a heap out-of-bounds read vulnerability in libphdi_data_files_get_extent_data_file_path that uses the directory prefix length instead of the basename length. Attackers can supply a crafted Parallels disk image descriptor with a long directory prefix and short basename to crash the process or expose adjacent heap memory."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Incorrect Calculation of Buffer Size",
                            "cweId": "CWE-131",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "libyal",
                    "product": "libphdi",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThanOrEqual": "20260902"
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                    ],
                    "packageURL": "pkg:github/libyal/libphdi",
                    "repo": "https://github.com/libyal/libphdi"
                }
            ],
            "metrics": [
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                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "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",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 6.9,
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
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                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 6.1,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/libyal/libphdi/issues/6",
                    "tags": [
                        "issue-tracking"
                    ],
                    "name": "GitHub Issue #6"
                },
                {
                    "url": "https://github.com/libyal/libphdi",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://github.com/libyal/libphdi/commit/61e3e1f6b4c5e15ce827b11858ba51f0dba254e3",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/libyal/libphdi/blob/20260902/libphdi/libphdi_data_files.c#L890-L907",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://hackmd.io/@haindpwn/libphdi-extent-data-file-path-heap-oob-read",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "name": "VulnCheck Advisory: libphdi through 20260902 Heap Out-of-Bounds Read via Extent Data File Path",
                    "tags": [
                        "third-party-advisory"
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                    "url": "https://www.vulncheck.com/advisories/libphdi-through-20260902-heap-out-of-bounds-read-via-extent-data-file-path"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "HaiND from the Post and Telecommunication Institute of Technology",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
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        }
    }
}