VDB-182152 · CVE-2021-39259 · EUVD-2021-25621

Tuxera ntfs-3g prior 2021.8.22 NTFS Image ntfs_inode_lookup_by_name out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Tuxera ntfs-3g. This vulnerability affects the function ntfs_inode_lookup_by_name of the component NTFS Image Handler. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2021-39259. The physical device can be targeted for the attack. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Tuxera ntfs-3g. This vulnerability affects the function ntfs_inode_lookup_by_name of the component NTFS Image Handler. 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 confidentiality.

The weakness was disclosed 09/08/2021. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-39259. There are known technical details, but no exploit is available.

Upgrading to version 2021.8.22 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2021-25621). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Tuxera

Name

ntfs-3g

License

open-source

Website

Product: https://github.com/tuxera/ntfs-3g/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.9

VulDB Base Score: 2.1
VulDB Temp Score: 2.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ntfs-3g 2021.8.22

Timelineinfo

08/17/2021 🔍
09/08/2021 +22 days 🔍
09/08/2021 +0 days 🔍
12/03/2025 +1546 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-39259 (🔍)
GCVE (CVE): GCVE-0-2021-39259
GCVE (VulDB): GCVE-100-182152
EUVD: 🔍

Entryinfo

Created: 09/08/2021 08:18
Updated: 12/03/2025 00:57
Changes: 09/08/2021 08:18 (58), 09/10/2021 14:54 (2), 12/02/2025 23:10 (15), 12/03/2025 00:57 (19)
Complete: 🔍
Cache ID: 216::103

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