[clamav-users] SOLVED Re: Fri Apr 12 08:46:13 2019 -> !Verification: Malformed database

[J.R.]

> Just an FYI thatclamav was linking to libz.so.1.1.4 and upgrading to
> libz.so.1.2.11 resolved the issue with being unable to verify updates.
>
> Might need to be a check for a minimum zlip version though I don't have
> input which version specifically demonstrates the issue.

zlib 1.1.4 ??? How old of an OS are you trying to run this on?

FYI, this is probably somewhat relevant to your issue:

https://bugzilla.clamav.net/show_bug.cgi?id=12160