Dear Customer,

CVE-2026-98432 is a security vulnerability identified in the Linux kernel, involving a use-after-free condition in IPv4 TCP processing. This is a broader Linux ecosystem security concern that is not limited to any particular vendor, product, or organization. It may affect systems and platforms worldwide running vulnerable Linux kernel versions. Under certain conditions, successful exploitation could potentially compromise the confidentiality, integrity, and availability of affected systems.

ANTlabs is aware of CVE-2026-98432. We take this matter seriously and have promptly evaluated the potential impact on our products, prioritizing the development and release of the necessary security updates.

SG5

• • SG5 Security Hotfix Update 19 (U19) has been released and includes the necessary remediation for these vulnerabilities.

The updates apply to the following product:

• • SG Express 5000
• • SG Express 5100
• • SG Express 5200
• • SG Express 5200-10GE
• • vSG Express
• • SG Pro 5400
• • SG Pro 5410
• • vSG Pro
• • IG4 S-series (upgraded with v5 software)

Tru’IP

• • Tru’IP Gen5 Systems hotfix has been released and addresses the vulnerabilities.

Recommended Customer Action

Please take immediate action to schedule and apply the applicable security update

If you require assistance or need further clarification, please contact ANTlabs Technical Support.

24-hour hotline: +65 6100-7877
US customers: +1-904-430-8477
Email: tech-support@antlabs.com