There is a new pull request by ndowens against master on the void-packages repository

https://github.com/ndowens/void-packages libupnp1.8
https://github.com/void-linux/void-packages/pull/27519

libupnp1.8: update to 1.8.7.


A patch file from https://github.com/void-linux/void-packages/pull/27519.patch is attached