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Suse CVE-2026-40706

| EUVDEUVD-2026-24467 HIGH
Heap-based Buffer Overflow (CWE-122)
2026-04-21 mitre
Heap Overflow Buffer Overflow Suse
8.4
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.4 HIGH
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SUSE
HIGH
qualitative

Primary rating from NVD.

CVSS VectorNVD

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

Lifecycle Timeline

4
Patch released
Apr 22, 2026 - 21:23 nvd
Patch available
Patch available
Apr 21, 2026 - 22:17 EUVD
EUVD ID Assigned
Apr 21, 2026 - 22:16 euvd
EUVD-2026-24467
CVE Published
Apr 21, 2026 - 00:00 nvd
HIGH 8.4

DescriptionCVE.org

In NTFS-3G 2022.10.3 before 2026.2.25, a heap buffer overflow exists in ntfs_build_permissions_posix() in acls.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered on the READ path (stat, readdir, open) when processing a security descriptor with multiple ACCESS_DENIED ACEs containing WRITE_OWNER from distinct group SIDs.

Analysis

In NTFS-3G 2022.10.3 before 2026.2.25, a heap buffer overflow exists in ntfs_build_permissions_posix() in acls.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered on the READ path (stat, readdir, open) when processing a security descriptor with multiple ACCESS_DENIED ACEs containing WRITE_OWNER from distinct group SIDs.

Same weakness CWE-122 – Heap-based Buffer Overflow

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Same technique Heap Overflow

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CVE-2025-5419 HIGH POC
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CVE-2025-21418 HIGH
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CVE-2023-6246 HIGH POC
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CVE-2024-30038 HIGH POC
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Vendor StatusVendor

SUSE

Severity: High
Product Status
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7 Fixed
SUSE Linux Enterprise Module for Basesystem 15 SP7 Fixed
SUSE Linux Enterprise Module for Development Tools 15 SP7 Fixed
SUSE Linux Enterprise Server 15 SP6-LTSS Fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP6 Fixed

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CVE-2026-40706 vulnerability details – vuln.today
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