Bug ID 755134: HTTP/2 connections may leak memory if server-side connection not established

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4

Fixed In:
15.0.0, 14.1.2.5

Opened: Jan 10, 2019
Severity: 2-Critical

Symptoms

Xhead and xdata memory caches grow over time when HTTP/2 traffic is present. Eventual performance degradation and potential traffic outage due to memory exhaustion.

Impact

Memory leakage over time may result in performance degradation and eventual traffic outage if TMM restarts due to memory exhaustion.

Conditions

-- HTTP/2 configured with HTTP Router profile. -- Configuration or network issues which prevent server-side connection from being established.

Workaround

None.

Fix Information

HTTP/2 connections no longer leak memory when server-side connection establishment fails.

Behavior Change