{"id":"CVE-2026-107635","revision":"cfbee3c3529e42febcd5ea0c917d63fc","records":[{"revision":"cfbee3c3529e42febcd5ea0c917d63fc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-107635","aliases":[],"title":"Dislocker through 0.7.3 Out-of-Bounds Heap Read via VMK/FVEK Datum Size Underflow","description":"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.","state":0,"publishedAt":"2026-10-08T14:10:33.744+00:00","modifiedAt":"2026-10-16T11:38:58.06+00:00","affected":[{"ecosystem":"Vendor product","name":"dislocker","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Aorimn\",\n                    \"product\": \"dislocker\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"0.7.3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","score":6.1,"severity":"MEDIUM"}],"references":["https://github.com/Aorimn/dislocker/commit/0706462db88efe8df88150e4c3e4332b808f4581","https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/vmk.c#L146-L180","https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/fvek.c#L90-L105","https://github.com/Aorimn/dislocker","https://www.vulncheck.com/advisories/dislocker-through-0.7.3-out-of-bounds-heap-read-via-vmk-fvek-datum-size-underflow"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107635","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-107635","identifiers":["CVE-2026-107635"]},"retained":false,"historicalAffected":[]}],"coverage":[]}