The Sleuth Kit up to 4.15.0 HFS+ Extended Attributes tsk/fs/hfs.c hfs_load_extended_attrs out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00+

Summaryinfo

A vulnerability was found in The Sleuth Kit up to 4.15.0 and classified as problematic. The impacted element is the function hfs_load_extended_attrs of the file tsk/fs/hfs.c of the component HFS+ Extended Attributes. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2026-120453. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in The Sleuth Kit up to 4.15.0. This vulnerability affects the function hfs_load_extended_attrs of the file tsk/fs/hfs.c of the component HFS+ Extended Attributes. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-120453 since 11/02/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/02/2026 Advisory disclosed
11/02/2026 +0 days CVE reserved
11/02/2026 +0 days VulDB entry created
11/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CNA: VulnCheck
CVE: CVE-2026-120453 (🔒)

GCVE (CVE): GCVE-0-2026-120453
GCVE (VulDB): GCVE-100-429832

Entryinfo

Created: 11/02/2026 15:43
Changes: 11/02/2026 15:43 (75)
Complete: 🔍
Cache ID: 216::103

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