A nspr security update has been released for Fedora 31.

SECURITY: Fedora 31 Update: nspr-4.26.0-1.fc31

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Fedora Update Notification
FEDORA-2020-16741ac7ff
2020-08-01 01:17:15.822316
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Name : nspr
Product : Fedora 31
Version : 4.26.0
Release : 1.fc31
URL :   http://www.mozilla.org/projects/nspr/
Summary : Netscape Portable Runtime
Description :
NSPR provides platform independence for non-GUI operating system
facilities. These facilities include threads, thread synchronization,
normal file and network I/O, interval timing and calendar time, basic
memory management (malloc and free) and shared library linking.

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Update Information:

Updates the nspr and nss package to upstream NSPR 4.26 and NSS 3.54. For
details about new functionality and a list of bugs fixed in this release please
see the upstream release notes: -   https://developer.mozilla.org/en-
US/docs/Mozilla/Projects/NSS/NSS_3.54_release_notes
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ChangeLog:

* Tue Jul 14 2020 Daiki Ueno - 4.26.0-1
- Update to NSPR 4.26
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References:

[ 1 ] Bug #1841939 - nss-3.54 is available
  https://bugzilla.redhat.com/show_bug.cgi?id=1841939
[ 2 ] Bug #1847931 - CVE-2020-12402 nss: Side channel vulnerabilities during RSA key generation [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1847931
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-16741ac7ff' 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