App Downloadfilesweb have DisabledAlgorithm and KnownVuln. What is this?

I’d like to know what that means. And how can I fix it?
Thank you

See also

According to
currently there are more than 1300 apps with this antifeature including many that where recendly build.


  • last version available in fdroid app store
  • last build on 2017-07-25 has this antifeature.