CVE-2026-120453

LOW 3.3

The Sleuth Kit through 4.15.0 Heap Out-of-Bounds Read via HFS+ decmpfs Header

CVSS Score

3.3

EPSS Score

0.0%

EPSS Percentile

0th

The Sleuth Kit through 4.15.0 contains a heap out-of-bounds read vulnerability in hfs_load_extended_attrs() in tsk/fs/hfs.c that reads the decmpfs header without checking attribute length. Attackers can supply a crafted HFS+ image with a com.apple.decmpfs attr_size of 1 to 15 to read past the allocation and crash analysis tools like istat or icat.

CWE	CWE-125
Vendor	the sleuth kit
Product	the sleuth kit
Published	Nov 2, 2026

Stay Ahead of the Next One

Get instant alerts for the sleuth kit the sleuth kit

Be the first to know when new low vulnerabilities affecting the sleuth kit the sleuth kit are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

The Sleuth Kit / The Sleuth Kit

0 ≤ 4.15.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/sleuthkit/sleuthkit/issues/3583 github.com: https://github.com/sleuthkit/sleuthkit/blob/sleuthkit-4.15.0/tsk/fs/hfs.c#L4249-L4318 github.com: https://github.com/sleuthkit/sleuthkit/releases/tag/sleuthkit-4.15.0 hackmd.io: https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read vulncheck.com: https://www.vulncheck.com/advisories/the-sleuth-kit-through-4.15.0-heap-out-of-bounds-read-via-hfs-decmpfs-header

Credits

HaiND from the Post and Telecommunication Institute of Technology