CVE-2016-7476: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, APM, ASM, GTM, Link Controller, PEM, PSM, and WebSafe 11.6.0 before 11.6.0 HF6, 11.5.0 before 11.5.3 HF2, and 11.3.0 before 11.4.1 HF10 may suffer from a memory leak while handling certain types of TCP traffic. Remote attackers may cause a denial of service (DoS) by way of a crafted TCP packet.

Affected products

F5 BIG-IP Access Policy Manager: version 11.3.0 only; version 11.4.0 only; version 11.4.1 only; version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; …
F5 BIG-IP Advanced Firewall Manager: version 11.3.0 only; version 11.4.0 only; version 11.4.1 only; version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; …
F5 BIG-IP Application Acceleration Manager: version 11.3.0 only; version 11.4.0 only; version 11.4.1 only; version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; …
F5 BIG-IP Application Security Manager: version 11.3.0 only; version 11.4.0 only; version 11.4.1 only; version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; …
F5 BIG-IP Global Traffic Manager: version 11.3.0 only; version 11.4.0 only; version 11.4.1 only; version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; …
F5 BIG-IP Link Controller: version 11.3.0 only; version 11.4.0 only; version 11.4.1 only; version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; …
F5 BIG-IP Local Traffic Manager: version 11.3.0 only; version 11.4.0 only; version 11.4.1 only; version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; …
F5 BIG-IP Policy Enforcement Manager: version 11.3.0 only; version 11.4.0 only; version 11.4.1 only; version 11.5.0 only; version 11.5.1 only; version 11.5.2 only; …
F5 BIG-IP Protocol Security Module: version 11.3.0 only; version 11.4.0 only; version 11.4.1 only
F5 BIG-IP Websafe: version 11.6.0 only

Published 2017-05-11. Last modified 2026-06-17.