Vulnerability DatabaseCVE-2021-33287
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2021-33287
Published:September 07, 2021
Updated:July 21, 2026
In NTFS-3G versions < 2021.8.22, when specially crafted NTFS attributes are read in the function ntfs_attr_pread_i, a heap buffer overflow can occur and allow for writing to arbitrary memory or denial of service of the application.
Related Resources (14)
https://www.debian.org/security/2021/dsa-4971
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp
https://security.gentoo.org/glsa/202301-01
https://access.redhat.com/security/cve/CVE-2021-33287
https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
http://tuxera.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-33287
https://security-tracker.debian.org/tracker/CVE-2021-33287
http://ntfs-3g.com
http://www.openwall.com/lists/oss-security/2021/08/30/1
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.4
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.7
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
CWE-787
Improper Input Validation
CWE-20
EPSS
Base Score:
0.41