CVE-2026-120454

MediumCVSS 5.5/10Last modified Nov 5, 2026

Description

The Sleuth Kit through 4.15.0 contains a NULL pointer dereference vulnerability in decmpfs_decompress_lzvn_attr() that allows attackers to crash the tool by supplying a crafted HFS+ image. Attackers can set a huge uncompressed_size in an LZVN inline com.apple.decmpfs attribute so allocation fails and the decoder writes through NULL, causing denial of service.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
The Sleuth Kit	The Sleuth Kit	<= 4.15.0

References

Timeline

Published: Nov 2, 2026
Last modified: Nov 5, 2026
NVD status: Awaiting Analysis

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