CVE-2021-39254

HIGH

NTFS-3G < 2021.8.22 - Heap-Based Buffer Overflow via Crafted NTFS Image

Title source: llm

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 (7)

Core 7

Core References

Third Party Advisory vendor-advisory

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

Mailing List, Third Party Advisory vendor-advisory

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

Mailing List, Third Party Advisory vendor-advisory

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

Mailing List, Third Party Advisory mailing-list

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

Third Party Advisory vendor-advisory

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

Release Notes, Third Party Advisory

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

Third Party Advisory

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

Scores

CVSS v3 7.8

EPSS 0.0002

EPSS Percentile 6.6%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-190 CWE-20

Status published

Products (6)

debian/debian_linux 9.0

debian/debian_linux 10.0

debian/debian_linux 11.0

fedoraproject/fedora 33

fedoraproject/fedora 35

tuxera/ntfs-3g < 2021.8.22

Published Sep 07, 2021

Tracked Since Feb 18, 2026