Description
When Brocade Fabric OS versions before 10.0.1 processes trunk configuration operations, the application parses user-supplied list strings into dynamically allocated heap arrays without enforcing boundary checks on the maximum allowable number of elements. An authenticated administrator can exploit this vulnerability via crafted REST API requests containing an excessive number of list delimiters, causing heap corruption that can result in service crash or arbitrary code execution.
Published: 2026-10-08
Score: 8.5 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

Vendor Solution

Security update is provided in Brocade Fabric OS 10.0.1

Tracking

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Advisories

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History

Thu, 08 Oct 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 08 Oct 2026 04:00:00 +0000

Type Values Removed Values Added
First Time appeared Brocade
Brocade fabric Os
Vendors & Products Brocade
Brocade fabric Os

Thu, 08 Oct 2026 02:45:00 +0000

Type Values Removed Values Added
Title Heap Boundary Exceeded in Brocade Fabric OS Trunk Configuration Parsing

Thu, 08 Oct 2026 01:15:00 +0000

Type Values Removed Values Added
Description When Brocade Fabric OS versions before 10.0.1 processes trunk configuration operations, the application parses user-supplied list strings into dynamically allocated heap arrays without enforcing boundary checks on the maximum allowable number of elements. An authenticated administrator can exploit this vulnerability via crafted REST API requests containing an excessive number of list delimiters, causing heap corruption that can result in service crash or arbitrary code execution.
Weaknesses CWE-122
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Brocade Fabric Os
cve-icon MITRE

Status: PUBLISHED

Assigner: brocade

Published:

Updated: 2026-10-08T13:02:41.706Z

Reserved: 2026-09-08T22:51:12.186Z

Link: CVE-2026-87679

cve-icon Vulnrichment

Updated: 2026-10-08T13:02:15.524Z

cve-icon NVD

Status : Received

Published: 2026-10-08T01:16:32.313

Modified: 2026-10-08T13:17:20.797

Link: CVE-2026-87679

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-08T03:45:04Z

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow