CVE-2026-107635

Name	CVE-2026-107635
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
dislocker (PTS)	bookworm	0.7.3-3	vulnerable
	trixie	0.7.3+git20240607-3	vulnerable
	forky, sid	0.7.3+git20250907-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
dislocker	source	(unstable)	(unfixed)

Fixed by: https://github.com/Aorimn/dislocker/commit/0706462db88efe8df88150e4c3e4332b808f4581