Bug ID 749603: MRF SIP ALG: Potential to end wrong call when BYE received

Last Modified: Jul 12, 2023

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,, 14.0.0,,,,,, 14.0.1, 14.1.0,

Fixed In:

Opened: Nov 13, 2018

Severity: 3-Major


When a BYE is received, the media flows for a different call might be closed in error.


The media flows for both calls will be closed when one receives a BYE command. A call may be incorrectly terminated early.


If the hash of the call-id (masked to 12 bits) matches the hash of another's call-id.



Fix Information

Entire call-id checked before terminating media flows.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips