Last Modified: Feb 03, 2026
Affected Product(s):
BIG-IP SWG
Known Affected Versions:
17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1
Opened: Nov 26, 2025 Severity: 3-Major
High CPU usage which is correlated with spikes in the number of active connections.
Tmm may not be able to keep up with incoming traffic.
* Large number url-db glob-matches that require tmm to use regular expressions (e.g. more than a thousand). * Typically glob matches that require regular expressions look like: "\*.example.com/" "\*www.example.com" Glob matches that don't require regular expressions (and are therefore unaffected by this bug) include: "\*://\*.example.com/" "\*://\*www.example.com"
Often the glob-matches can be rewritten to use a more efficient form.
None