Brave shield causing high CPU / hang tab on 1.32.106

Description of the issue:
How can this issue be reproduced?

  1. open or

Expected result:
tab loads fine

Brave Version( check About Brave):

Version 1.32.106 Chromium: 96.0.4664.45 (Official Build) (64-bit)

tab becomes unresponsive, task manager shows the tab staying 100+ CPU

Additional Information:
The issue can be mitigated by disabling Brave shield on the site. This is happening on quite a lot of sites

Ubuntu 20.04 LTS