Bug ID 2139637: TMM crash because of invalid context

Last Modified: Jan 16, 2026

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

Known Affected Versions:
17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.5.1, 17.5.1.2, 17.5.1.3

Opened: Oct 23, 2025

Severity: 3-Major

Symptoms

Tmm crashes during QUIC packet loss handling due to invalid context.

Impact

Traffic disrupted while tmm restarts.

Conditions

LTM configured with UDP and QUIC.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips