A gnutls security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: gnutls-3.7.1-2.fc34

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Fedora Update Notification
FEDORA-2021-18bef34f05
2021-03-24 01:46:57.845776
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Name : gnutls
Product : Fedora 34
Version : 3.7.1
Release : 2.fc34
URL :   http://www.gnutls.org/
Summary : A TLS protocol implementation
Description :
GnuTLS is a secure communications library implementing the SSL, TLS and DTLS
protocols and technologies around them. It provides a simple C language
application programming interface (API) to access the secure communications
protocols as well as APIs to parse and write X.509, PKCS #12, OpenPGP and
other required structures.

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Update Information:

Update to the upstream 3.7.1 release, which includes fixes for CVE-2021-20231
and CVE-2021-20232, fipscheck build-dep removal, and TLS 1.3 middlebox
compatibility mode fixes. ---- Fix cert chain verification if it contains
duplicate certs.
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ChangeLog:

* Tue Mar 16 2021 Daiki Ueno - 3.7.1-2
- Restore fipscheck dependency
* Sat Mar 13 2021 Daiki Ueno - 3.7.1-1
- Update to upstream 3.7.1 release
- Remove fipscheck dependency, as it is now calculated with an
internal tool
* Fri Mar 5 2021 Daiki Ueno - 3.7.0-4
- Tolerate duplicate certs in the chain also with PKCS #11 trust store
* Tue Mar 2 2021 Daiki Ueno - 3.7.0-3
- Reduce BRs for non-bootstrapping build
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References:

[ 1 ] Bug #1903554 - gnutls-3.7.1 is available
  https://bugzilla.redhat.com/show_bug.cgi?id=1903554
[ 2 ] Bug #1938147 - CVE-2021-20231 gnutls: Use after free in client key_share extension [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1938147
[ 3 ] Bug #1938149 - CVE-2021-20232 gnutls: Use after free in client_send_params in lib/ext/pre_shared_key.c [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1938149
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-18bef34f05' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys