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CVE-2026-42618: n/a

0
High
VulnerabilityCVE-2026-42618cvecve-2026-42618
Published: 10/07/2026 (10/07/2026, 00:00:00 UTC)
Source: CVE Database V5

Description

In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_decompress() in compress.c that allows an attacker to corrupt one byte of heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by reading the special crafted file.

CVSS v3.1

Score 7.1high

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected software

GitHub Actionsmore threats →ai
tuxera/ntfs-3g
pkg:github/tuxera/ntfs-3g
Affected versions
<2026.7.7

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/07/2026, 14:18:31 UTC

Technical Analysis

CVE-2026-42618 is a heap buffer overflow vulnerability in the ntfs_decompress() function of NTFS-3G prior to version 2026.7.7. The vulnerability allows an attacker to corrupt a single byte of heap memory in the SUID-root ntfs-3g binary by providing a maliciously crafted NTFS image. The overflow is triggered during the reading of this specially crafted file, potentially leading to memory corruption.

Potential Impact

The vulnerability enables an attacker to corrupt one byte of heap memory in a SUID-root binary, which may lead to undefined behavior or privilege escalation depending on exploitation. However, no known exploits are reported in the wild at this time.

Mitigation Recommendations

A fix is available in NTFS-3G version 2026.7.7. Users should upgrade to this version or later to remediate the vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
mitre
Date Reserved
2026-04-29T00:00:00.000Z
State
PUBLISHED

Threat ID: 6ac651572cdf04f65654a997

Added to database: 10/07/2026, 14:04:07 UTC

Last enriched: 10/07/2026, 14:18:31 UTC

Last updated: 10/07/2026, 15:04:39 UTC

Views: 4

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