Description
libsmb2 through 6.2 contains a heap out-of-bounds read vulnerability in smb2_decode_file_all_info that allows malicious SMB servers to crash clients by sending an unchecked FileNameLength. Attackers controlling the server or performing man-in-the-middle on unsigned sessions can return crafted FileAllInformation replies to smb2_stat or smb2_fstat calls, crashing the client.
Published: 2026-10-14
Score: 7.1 High
EPSS: n/a
KEV: No
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Remediation

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Advisories

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History

Wed, 14 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Description libsmb2 through 6.2 contains a heap out-of-bounds read vulnerability in smb2_decode_file_all_info that allows malicious SMB servers to crash clients by sending an unchecked FileNameLength. Attackers controlling the server or performing man-in-the-middle on unsigned sessions can return crafted FileAllInformation replies to smb2_stat or smb2_fstat calls, crashing the client.
Title libsmb2 through 6.2 Heap Out-of-Bounds Read via smb2_decode_file_all_info
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-14T15:01:27.547Z

Reserved: 2026-10-14T14:39:51.944Z

Link: CVE-2026-110712

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-14T16:17:43.193

Modified: 2026-10-14T16:17:43.193

Link: CVE-2026-110712

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses