There is an updated pull request by Piraty against master on the void-packages repository

https://github.com/Piraty/void-packages libevent-2.1.11
https://github.com/void-linux/void-packages/pull/13873

libevent: update to 2.1.11.
[ci skip]

A patch file from https://github.com/void-linux/void-packages/pull/13873.patch is attached