high7.5
CVE-2026-41218
When BIG-IP PEM iRules are configured on a virtual server (iRules using commands starting with CLASSIFICATION::, CLASSIFY::, PEM::, PSC::, and the urlcatquery …
Impact
When BIG-IP PEM iRules are configured on a virtual server (iRules using commands starting with CLASSIFICATION::, CLASSIFY::, PEM::, PSC::, and the urlcatquery command), undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Advanced Firewall Manager | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Advanced Web Application Firewall | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Analytics | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Application Acceleration Manager | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Application Security Manager | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Application Visibility And Reporting | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Automation Toolchain | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Carrier-Grade Nat | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Container Ingress Services | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Ddos Hybrid Defender | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |
| F5 | Big-Ip Domain Name System | from 17.1.0 through 17.1.3 from 17.5.0 through 17.5.1 from 16.1.0 through 16.1.6 Version 21.0.0 |