CVE-2026-107634
Dislocker through 0.7.3 Heap Out-of-Bounds Read via BitLocker Metadata Dataset Size
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 8, 2026
- Updated
- Oct 10, 2026
- Reserved
- Oct 8, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulnCheck |
| 3.1 | 6.1 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H | VulnCheck |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
dislockerAorimn |
|
References
- Patch Commitpatch
- https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/metadata.c#L764-L790technical-description
- https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/datums.c#L589-L640technical-description
- https://github.com/Aorimn/dislockerproduct
- VulnCheck Advisory: Dislocker through 0.7.3 Heap Out-of-Bounds Read via BitLocker Metadata Dataset Sizethird-party-advisory
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