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CVE-2021-39259

Published: Sep 7, 2021Updated: Dec 2, 2025 Sources: CVE List NVD BDUCWE-787
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.4%
Top 69.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A crafted NTFS image can trigger an out-of-bounds access, caused by an unsanitized attribute length in ntfs_inode_lookup_by_name, in NTFS-3G < 2021.8.22.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787CWE-20

Affected Products

ntfs-3gtuxera
On-prem
Operating Systems / linux-distro
debian linuxdebian
On-premOS
Operating Systems / linux-distro
n/an/a
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
tuxeracommercialFIOperating Systemsaka ntfs-3g
debianoss-projectGBOperating Systemsaka debian gnu/linux
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/tuxera/ntfs-3g/releases
github.com
https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp
github.com
https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html
lists.debian.org
and 12 more references View all →

Timeline

Published
Sep 7, 2021
Last Updated
Dec 2, 2025

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