A nss security update has been released for Fedora 31.

SECURITY: Fedora 31 Update: nss-3.51.0-1.fc31

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Fedora Update Notification
FEDORA-2020-5967b8cd4e
2020-04-09 18:17:41.487101
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Name : nss
Product : Fedora 31
Version : 3.51.0
Release : 1.fc31
URL :   http://www.mozilla.org/projects/security/pki/nss/
Summary : Network Security Services
Description :
Network Security Services (NSS) is a set of libraries designed to
support cross-platform development of security-enabled client and
server applications. Applications built with NSS can support SSL v2
and v3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS #12, S/MIME, X.509
v3 certificates, and other security standards.

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Update Information:

- New Firefox and NSS upstream update - More info at   https://www.mozilla.org/en-
US/firefox/75.0/releasenotes/
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ChangeLog:

* Tue Apr 7 2020 Daiki Ueno - 3.51.0-1
- Update to NSS 3.51
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-5967b8cd4e' 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