Jumping in, please excuse if this does not apply. 
If you are using an Android device, can you please try the following and see if it corrects your issue:
Enable Vulkan via brave://flags#enable-vulkan
Additional information:
User Solutions: Brave Release 1.43.x - #3 by Chocoholic
User Solutions: Brave Release 1.43.x - #4 by Chocoholic
You should still send any crash reports to support.