Back to Database
Status published
Unknown
CVE-2021-39251
A crafted NTFS image can cause a NULL pointer dereference...
Vulnerability Description
A crafted NTFS image can cause a NULL pointer dereference in ntfs_extent_inode_open in NTFS-3G < 2021.8.22.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-39251
Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/tuxera/ntfs-3g/releases
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988386
- http://www.openwall.com/lists/oss-security/2021/08/30/1
- https://bugzilla.redhat.com/show_bug.cgi?id=2001649
- https://www.debian.org/security/2021/dsa-4971
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
- https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html
- https://security.gentoo.org/glsa/202301-01
More from tuxera
View All →CVE-2022-40284
A buffer overflow was discovered in NTFS-3G before 2022.10.3. Crafted...
Unknown
0
CVE-2022-30789
A crafted NTFS image can cause a heap-based buffer overflow...
Unknown
0
CVE-2022-30788
A crafted NTFS image can cause a heap-based buffer overflow...
Unknown
0
CVE-2022-30787
An integer underflow in fuse_lib_readdir enables arbitrary memory read operations...
Medium
6.7
CVE-2022-30786
A crafted NTFS image can cause a heap-based buffer overflow...
Unknown
0
Affected Vendor
tuxera
View all reports →Affected Software
ntfs-3g, debian linux, enterprise linux, fedora
Vulnerable Versions:
0, 9.0, 10.0, 11.0, 7.0, 8.0, 33, 35
Timeline
Official Publish:
September 7th, 2021
Last Modified:
December 2nd, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.