Bug ID 1825513: ClientSSL profile with PQC group may cause TMM to crash

Last Modified: May 05, 2025

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

Known Affected Versions:
17.5.0

Opened: Feb 28, 2025

Severity: 1-Blocking

Symptoms

TMM or system services may restart unexpectedly due to memory pressure.

Impact

Traffic disrupted while tmm restarts.

Conditions

Cipher rule DH group X25519KYBER768 is enabled.

Workaround

There is no workaround, disable X25519KYBER768 to mitigate the issue.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips