CVE-2018-5510: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

On F5 BIG-IP 11.5.4 HF4-11.5.5, the Traffic Management Microkernel (TMM) may restart when processing a specific sequence of packets on IPv6 virtual servers.

Affected products

• F5 BIG-IP Access Policy Manager: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Advanced Firewall Manager: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Analytics: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Application Acceleration Manager: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Application Security Manager: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Domain Name System: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Edge Gateway: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Global Traffic Manager: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Link Controller: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Local Traffic Manager: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Policy Enforcement Manager: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Webaccelerator: version 11.5.4 only; version 11.5.5 only
• F5 BIG-IP Websafe: version 11.5.4 only; version 11.5.5 only

Published 2018-04-13. Last modified 2026-06-17.