CVE-2021-33287

ntfs-3g: Heap buffer overflow in ntfs_attr_pread_i() triggered by specially crafted NTFS attributes

Published Sep 7, 2021 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-2819-1 ntfs-3g security update
Debian DSA Debian DSA DSA-4971-1 ntfs-3g security update
EUVD EUVD EUVD-2021-19998 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.
History
Type Values Removed Values Added
Weaknesses CWE-20
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 9, 2026, 12:13 AM
Reserved
May 20, 2021, 12:00 AM
Status
Modified
Published
Sep 7, 2021, 3:15 PM
Modified
Jul 9, 2026, 1:16 AM
Severity
Moderate
Public date
Aug 30, 2021, 12:00 AM