CVE-2021-39251
7.8 HIGHA crafted NTFS image can cause a NULL pointer dereference in ntfs_extent_inode_open in NTFS-3G < 2021.8.22
Published: 2021-09-07 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.8 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-20, CWE-476
Affected products
| Vendor | Product |
|---|---|
| debian | debian_linux, enterprise_linux, fedora |
| fedoraproject | debian_linux, enterprise_linux, fedora |
| redhat | debian_linux, enterprise_linux, fedora |
| tuxera | debian_linux, enterprise_linux, fedora |
Description
A crafted NTFS image can cause a NULL pointer dereference in ntfs_extent_inode_open in NTFS-3G < 2021.8.22.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39251
- [Other]http://www.openwall.com/lists/oss-security/2021/08/30/1
- [Other]https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988386
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=2001649
- [Other]https://github.com/tuxera/ntfs-3g/releases
- [Other]https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp
- [Other]https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
- [Other]https://security.gentoo.org/glsa/202301-01
- [Other]https://www.debian.org/security/2021/dsa-4971
- [Other]http://www.openwall.com/lists/oss-security/2021/08/30/1
- [Other]https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988386
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=2001649
- [Other]https://github.com/tuxera/ntfs-3g/releases
- [Other]https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp
- [Other]https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
- [Other]https://security.gentoo.org/glsa/202301-01
- [Other]https://www.debian.org/security/2021/dsa-4971
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