CVE-2021-39259

A crafted NTFS image can trigger an out-of-bounds access, caused by an unsanitized attribute length in ntfs_inode_lookup_by_name, in NTFS-3G < 2021.8.22.

CVSS v3 7.8 HIGH
CVSS v2.0 6.9 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/tuxera/ntfs-3g/releases	Release Notes Third Party Advisory
https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202301-01	Third Party Advisory
https://www.debian.org/security/2021/dsa-4971	Third Party Advisory
https://github.com/tuxera/ntfs-3g/releases	Release Notes Third Party Advisory
https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202301-01	Third Party Advisory
https://www.debian.org/security/2021/dsa-4971	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

History

02 Dec 2025, 22:16

Type	Values Removed	Values Added
CWE		CWE-20

Information

Published : 2021-09-07 15:15

Updated : 2025-12-02 22:16

NVD link : CVE-2021-39259

Mitre link : CVE-2021-39259

CVE.ORG link : CVE-2021-39259

JSON object : View

Products Affected

debian

debian_linux

tuxera

ntfs-3g

CWE

CWE-787

Out-of-bounds Write

CWE-20

Improper Input Validation

{"id": "CVE-2021-39259", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "published": "2021-09-07T15:15:08.217", "references": [{"url": "https://github.com/tuxera/ntfs-3g/releases", "tags": ["Release Notes", "Third Party Advisory"], "source": "[email protected]"}, {"url": "https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "[email protected]"}, {"url": "https://security.gentoo.org/glsa/202301-01", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://www.debian.org/security/2021/dsa-4971", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://github.com/tuxera/ntfs-3g/releases", "tags": ["Release Notes", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202301-01", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2021/dsa-4971", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "A crafted NTFS image can trigger an out-of-bounds access, caused by an unsanitized attribute length in ntfs_inode_lookup_by_name, in NTFS-3G < 2021.8.22."}, {"lang": "es", "value": "Una imagen NTFS dise\u00f1ada puede desencadenar un acceso fuera de l\u00edmites, causado por una longitud de atributo no saneada en la funci\u00f3n ntfs_inode_lookup_by_name, en NTFS-3G versiones anteriores a 2021.8.22"}], "lastModified": "2025-12-02T22:16:06.743", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CBE087A1-98D1-4F40-9CC9-D90116B23E0C", "versionEndExcluding": "2021.8.22"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}