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

https://github.com/ericonr/void-packages opensc
https://github.com/void-linux/void-packages/pull/26680

opensc: update to 0.21.0.
Fixes multiple CVEs.

A patch file from https://github.com/void-linux/void-packages/pull/26680.patch is attached