CVE-2021-35266

moderate-risk

Published 2021-09-07

In NTFS-3G versions < 2021.8.22, when a specially crafted NTFS inode pathname is supplied in an NTFS image a heap buffer overflow can occur resulting in memory disclosure, denial of service and even code execution.

Do I need to act?

0.09% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.8/10 High

LOCAL / LOW complexity

Affected Products (6)

Ntfs-3G

Debian Linux

Fedora

Affected Vendors

Debian Fedoraproject Tuxera

References (16)

Product http://ntfs-3g.com

Mailing List http://www.openwall.com/lists/oss-security/2021/08/30/1

Third Party Advisory https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp

Mailing List https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://security.gentoo.org/glsa/202301-01

Third Party Advisory https://www.debian.org/security/2021/dsa-4971

Product http://ntfs-3g.com

Mailing List http://www.openwall.com/lists/oss-security/2021/08/30/1

Third Party Advisory https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp

Mailing List https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://security.gentoo.org/glsa/202301-01

Third Party Advisory https://www.debian.org/security/2021/dsa-4971

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moderate-risk

Severity 24/34 · High

Exploitability 0/34 · Minimal

Exposure 13/34 · Low