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

libtasn1: update to 4.19.0. CVE-2021-46848 
https://github.com/void-linux/void-packages/pull/41226

Description:
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#### Testing the changes
- I tested the changes in this PR: **YES**

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

Tested using test suite of libtasn1 and gnutls.