{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-107635", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-08T14:05:59.396Z", "datePublished": "2026-10-08T14:10:33.744Z", "dateUpdated": "2026-10-08T16:05:30.813Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-08T14:10:33.744Z" }, "datePublic": "2026-08-31T00:00:00.000Z", "title": "Dislocker through 0.7.3 Out-of-Bounds Heap Read via VMK/FVEK Datum Size Underflow", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Integer Underflow (Wrap or Wraparound)", "cweId": "CWE-191", "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:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" } } ], "references": [ { "url": "https://github.com/Aorimn/dislocker/commit/0706462db88efe8df88150e4c3e4332b808f4581", "tags": [ "patch" ], "name": "Patch Commit" }, { "url": "https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/vmk.c#L146-L180", "tags": [ "technical-description" ] }, { "url": "https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/fvek.c#L90-L105", "tags": [ "technical-description" ] }, { "url": "https://github.com/Aorimn/dislocker", "tags": [ "product" ] }, { "name": "VulnCheck Advisory: Dislocker through 0.7.3 Out-of-Bounds Heap Read via VMK/FVEK Datum Size Underflow", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/dislocker-through-0.7.3-out-of-bounds-heap-read-via-vmk-fvek-datum-size-underflow" } ], "credits": [ { "lang": "en", "value": "Tristan Madani (@TristanInSec), Talence Security", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-08T16:05:14.829892Z", "id": "CVE-2026-107635", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T16:05:30.813Z" } } ] } }