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CVE-2021-39255 Details
Description
A crafted NTFS image can trigger an out-of-bounds read, caused by an invalid attribute in ntfs_attr_find_in_attrdef, in NTFS-3G < 2021.8.22.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Dec 2, 2025Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/tuxera/ntfs-3g/releases | CVE | Release NotesThird Party Advisory |
| https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp | CVE | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html | CVE | Mailing ListThird Party Advisory |
| https://security.gentoo.org/glsa/202301-01 | CVE | Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4971 | CVE | Third Party Advisory |
| https://github.com/tuxera/ntfs-3g/releases | [email protected] | Release NotesThird Party Advisory |
| https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp | [email protected] | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html | [email protected] | Mailing ListThird Party Advisory |
| https://security.gentoo.org/glsa/202301-01 | [email protected] | Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4971 | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
| CWE-20 | Improper Input Validation | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| tuxera ntfs-3g | < 2021.8.22 |
CPE
Remediation
| |
| debian debian linux | 9.0 10.0 11.0 |
CPE
Remediation
| |
Change History
11 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Dec 2, 2025 | CVE Modified | CISA-ADP |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Jan 13, 2023 | Modified Analysis | [email protected] |
| Jan 11, 2023 | CVE Modified | [email protected] |
| Nov 30, 2021 | Modified Analysis | [email protected] |
| Nov 17, 2021 | CVE Modified | [email protected] |
| Sep 20, 2021 | Initial Analysis | [email protected] |
| Sep 9, 2021 | CVE Modified | [email protected] |