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

https://github.com/Gottox/void-packages openssl-1.1.1k
https://github.com/void-linux/void-packages/pull/29749

openssl 1.1.1k
Fixes CVE-2021-3450 and CVE-2021-3449

A patch file from https://github.com/void-linux/void-packages/pull/29749.patch is attached