CVE catalog
CVE-2026-107634
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 ca
- Severity
- Medium · CVSS 6.9
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.13% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | dislocker | sid | 0.7.4-1 | fixed |
| Debian | dislocker | forky | 0.7.3+git20250907-1 | vulnerable |
| Debian | dislocker | trixie | 0.7.3+git20240607-3 | vulnerable |
| Debian | dislocker | bookworm | 0.7.3-3 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | dislocker | source | sid | 0.7.4-1 | unimportant | Not reported | [1150456] |
| Debian | dislocker | source | forky | (unfixed) | unimportant | Not reported | [1150456] |
| Debian | dislocker | source | trixie | (unfixed) | unimportant | Not reported | [1150456] |
| Debian | dislocker | source | bookworm | (unfixed) | unimportant | Not reported | [1150456] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [dislocker]Affected
Details (2)
0.7.3-3· amd64 · bookwormAffected
nvd · dislocker · debian · bookworm; nvd · dislocker · debian · 12
0.7.3-3· arm64 · bookwormAffected
nvd · dislocker · debian · bookworm; nvd · dislocker · debian · 12
- [libdislocker0.7]Affected
Source package: [dislocker]
Details (2)
0.7.3-3· amd64 · bookwormAffected
nvd · dislocker · debian · bookworm; nvd · dislocker · debian · 12
0.7.3-3· arm64 · bookwormAffected
nvd · dislocker · debian · bookworm; nvd · dislocker · debian · 12
- [libdislocker0-dev]Affected
Source package: [dislocker]
Details (2)
0.7.3-3· amd64 · bookwormAffected
nvd · dislocker · debian · bookworm; nvd · dislocker · debian · 12
0.7.3-3· arm64 · bookwormAffected
nvd · dislocker · debian · bookworm; nvd · dislocker · debian · 12
[Debian 13 (Trixie)]
- [dislocker]Affected
Source package: [dislocker]
Details (2)
0.7.3+git20240607-3+b1· amd64 · trixieAffected
nvd · dislocker · debian · 13
0.7.3+git20240607-3+b1· arm64 · trixieAffected
nvd · dislocker · debian · 13
- [libdislocker0.7t64]Affected
Source package: [dislocker]
Details (2)
0.7.3+git20240607-3+b1· amd64 · trixieAffected
nvd · dislocker · debian · 13
0.7.3+git20240607-3+b1· arm64 · trixieAffected
nvd · dislocker · debian · 13
- [libdislocker0-dev]Affected
Source package: [dislocker]
Details (2)
0.7.3+git20240607-3+b1· amd64 · trixieAffected
nvd · dislocker · debian · 13
0.7.3+git20240607-3+b1· arm64 · trixieAffected
nvd · dislocker · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-107634]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-107634]
- [https://security-tracker.debian.org/tracker/CVE-2026-107634]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-107634.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]