There's a merged pull request on the void-packages repository

unoconv: add CVE-2019-17400 patch
https://github.com/void-linux/void-packages/pull/15880

Description:
CVE: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17400
Patch is from : https://github.com/unoconv/unoconv/commit/acfac594e643f9c44f1c3b8d6d8957190a4d76f2