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CVE-2026-107635 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/Aorimn/dislocker	[email protected]
https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/fvek.c#L90-L105	[email protected]
https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/vmk.c#L146-L180	[email protected]
https://github.com/Aorimn/dislocker/commit/0706462db88efe8df88150e4c3e4332b808f4581	[email protected]
https://www.vulncheck.com/advisories/dislocker-through-0.7.3-out-of-bounds-heap-read-via-vmk-fvek-datum-size-underflow	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-191	Integer Underflow (Wrap or Wraparound)	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 16, 2026	CVE Modified	[email protected]
Oct 8, 2026	CVE Modified	CISA-ADP
Oct 8, 2026	New CVE Received	[email protected]