CVE-2021-39254

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CVSS 3.1

7.8 high

EPSS

<1%p37

Published

Sep 7, 2021 (Sep 7, 2021)

Modified

Jun 17, 2026

Description

A crafted NTFS image can cause an integer overflow in memmove, leading to a heap-based buffer overflow in the function ntfs_attr_record_resize, in NTFS-3G < 2021.8.22.

Vendors: tuxera debian fedoraproject
Products: ntfs-3g, debian linux, fedora
Weakness: CWE-190, CWE-20
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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