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

https://github.com/Zapeth/void-packages update-unrar
https://github.com/void-linux/void-packages/pull/45870

unrar: update to 6.2.10
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#### Testing the changes
- I tested the changes in this PR: **briefly**

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#### Local build testing
- I built this PR locally for my native architecture, x86_64 glibc


A patch file from https://github.com/void-linux/void-packages/pull/45870.patch is attached