GNU mtools through 4.0.49 has an out-of-bounds write in parse_vses in vfat.c.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0032.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
GNU mtools unknown
Version Status Constraints
0 affected ≤ 4.0.49

No data.

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://ftp.gnu.org/gnu/mtools/mtools-4.0.49.tar.gz cve-icon cve-icon
https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L399 cve-icon cve-icon
https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L444-L445 cve-icon cve-icon
https://lists.gnu.org/archive/html/info-gnu/2025-06/msg00004.html cve-icon cve-icon
History

Wed, 28 Oct 2026 04:45:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in parse_vses of GNU mtools vfat.c

Wed, 28 Oct 2026 03:15:00 +0000

Type Values Removed Values Added
References

Wed, 28 Oct 2026 03:00:00 +0000

Type Values Removed Values Added
Description GNU mtools through 4.0.49 has an out-of-bounds write in parse_vses in vfat.c.
Weaknesses CWE-839
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-28T03:01:38.786Z

Reserved: 2026-10-28T02:53:38.394Z

Link: CVE-2026-118384

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-28T03:17:14.757

Modified: 2026-10-28T15:21:31.673

Link: CVE-2026-118384

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T04:30:14Z

Weaknesses