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

https://github.com/oynqr/void-packages cups-fresh
https://github.com/void-linux/void-packages/pull/38122

cups: update to 2.4.2.
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This one contains a [CVE](https://github.com/advisories/GHSA-h495-hfpg-xw55) fix and I really should have opened it sooner.

A patch file from https://github.com/void-linux/void-packages/pull/38122.patch is attached