description: On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation (ALPN) enabled and it processes traffic where the ALPN extension size is zero.
problem types: DoS
affected:
{
product: BIG-IP (LTM, AAM, AFM, APM, ASM, Link Controller, PEM, WebAccelerator)
vendor: F5
versions:
status: affected, version: 14.0.0-14.1.0.1
status: affected, version: 13.0.0-13.1.1.4
status: affected, version: 12.1.0-12.1.4
}