{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-107634", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-08T14:05:51.476Z", "datePublished": "2026-10-08T14:10:33.209Z", "dateUpdated": "2026-10-08T14:10:33.209Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-08T14:10:33.209Z" }, "datePublic": "2026-08-31T00:00:00.000Z", "title": "Dislocker through 0.7.3 Heap Out-of-Bounds Read via BitLocker Metadata Dataset Size", "descriptions": [ { "lang": "en", "value": "Dislocker through 0.7.3 contains a heap out-of-bounds read vulnerability in get_dataset() and get_next_datum() that never validate dataset and datum sizes against the metadata allocation. Attackers can craft a BitLocker volume image with inflated dataset or datum sizes that, when opened or mounted, crashes dislocker or discloses adjacent heap memory." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Out-of-bounds Read", "cweId": "CWE-125", "type": "CWE" } ] } ], "affected": [ { "vendor": "Aorimn", "product": "dislocker", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThanOrEqual": "0.7.3", "status": "affected", "versionType": "custom" } ] } ], "metrics": [ { "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" } }, { "format": "CVSS", "cvssV3_1": { "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/Aorimn/dislocker/commit/9158e9e41dd669b360cbc53cc18ccae729b67b48", "tags": [ "patch" ], "name": "Patch Commit" }, { "url": "https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/metadata.c#L764-L790", "tags": [ "technical-description" ] }, { "url": "https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/datums.c#L589-L640", "tags": [ "technical-description" ] }, { "url": "https://github.com/Aorimn/dislocker", "tags": [ "product" ] }, { "name": "VulnCheck Advisory: Dislocker through 0.7.3 Heap Out-of-Bounds Read via BitLocker Metadata Dataset Size", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/dislocker-through-0.7.3-heap-out-of-bounds-read-via-bitlocker-metadata-dataset-size" } ], "credits": [ { "lang": "en", "value": "Tristan Madani (@TristanInSec), Talence Security", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } } } }