CVE-2026-120453

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.

CVSS v3 3.3 LOW

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

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

Configurations

No configuration.

History

02 Nov 2026, 16:17

Type	Values Removed	Values Added
References	~~() https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read -~~	() https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read -

02 Nov 2026, 15:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-11-02 15:17

Updated : 2026-11-02 19:34

NVD link : CVE-2026-120453

Mitre link : CVE-2026-120453

CVE.ORG link : CVE-2026-120453

JSON object : View

Products Affected

No product.

CWE

CWE-125

Out-of-bounds Read

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