CVE-2026-107634
Dislocker through 0.7.3 Heap Out-of-Bounds Read via BitLocker Metadata Dataset Size
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | aorimn |
| Product | dislocker |
| Published | Oct 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Affected Versions
Aorimn / dislocker
0 ≤ 0.7.3
References
github.com: https://github.com/Aorimn/dislocker/commit/9158e9e41dd669b360cbc53cc18ccae729b67b48 github.com: https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/metadata.c#L764-L790 github.com: https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/datums.c#L589-L640 github.com: https://github.com/Aorimn/dislocker vulncheck.com: https://www.vulncheck.com/advisories/dislocker-through-0.7.3-heap-out-of-bounds-read-via-bitlocker-metadata-dataset-size
Credits
Tristan Madani (@TristanInSec), Talence Security