Detections
Analytics

CVE-2021-39254

high

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.

References

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

https://security.gentoo.org/glsa/202301-01

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/

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

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

https://github.com/tuxera/ntfs-3g/releases

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-25616

Details

Source: Mitre, NVD

Published: 2021-09-07

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00436