CVE-2026-87679

High

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.

SeverityHigh
CVSS7.2
Exploit probability—
ProductBroadcom Fabric Operating System
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-122CWE-122

How to fix

Update
  • broadcom fabric_operating_system10.0.1 or later

Affected products

ProductAffected versionsFixed in
broadcom fabric_operating_systemv < 10.0.110.0.1

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CVE-2026-87679 · Broadcom Fabric Operating System · Dark Radar