CVE-2026-107634
Publication date 13 October 2026
Last updated 13 October 2026
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| dislocker | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
Severity score breakdown
CVSS version:
Base score
6.9 · Medium
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
Base score
6.1 · Medium
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-107634
- https://github.com/Aorimn/dislocker
- https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/datums.c#L589-L640
- https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/metadata.c#L764-L790
- https://github.com/Aorimn/dislocker/commit/9158e9e41dd669b360cbc53cc18ccae729b67b48
- https://www.vulncheck.com/advisories/dislocker-through-0.7.3-heap-out-of-bounds-read-via-bitlocker-metadata-dataset-size