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

https://github.com/ev-ermakov/void-packages zeromq-4.3.3
https://github.com/void-linux/void-packages/pull/25521

zeromq: update to 4.3.3


A patch file from https://github.com/void-linux/void-packages/pull/25521.patch is attached