[gnutls-help] Shall we update Nettle version requirement?

Simon Josefsson simon at josefsson.org
Fri Nov 7 12:58:21 CET 2025


+1

We'll never fully know if this is a real deal-breaker for anyone until
we try, so I suggest just bumping the requirement in a soonish GnuTLS
release, and then wait for people to package it, and only later start to
remove the duplicate code that is no longer needed.

/Simon

Daiki Ueno <ueno at gnu.org> writes:

> Hello,
>
> Provoked by this issue[1], I started thinking about updating the minimum
> version of Nettle required by GnuTLS.  Currently it's 3.6, while 3.10
> was released 1.5 years ago.  By updating it, we can eliminate the
> bundled copies of RSA-OAEP, AES-GCM-SIV, and SHAKE implementations, as
> well as the CVE-2021-4209 fix.  Given Nettle 3.10.2 is ABI compatible
> with 3.6, I'm assuming that there is little impact to downstreams.
>
> Any thoughts?
>
> Footnotes:
> [1]  https://gitlab.com/gnutls/gnutls/-/issues/1759
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