Bug ID 1007821: SIP message routing may cause tmm crash

Last Modified: Feb 07, 2024

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
15.1.1, 15.1.2,, 15.1.3,, 16.0.0,, 16.0.1,,, 16.1.0

Fixed In:
17.0.0, 16.1.1, 15.1.4

Opened: Mar 31, 2021

Severity: 2-Critical


In very rare circumstances, tmm may core while performing SIP message routing.


Traffic disrupted while tmm restarts.


This can occur while passing traffic when SIP message routing is enabled.



Fix Information

SIP message routing no longer results in a core due to internal memory errors in message parsing.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips