A mingw-gnutls security update has been released for Fedora 31.

SECURITY: Fedora 31 Update: mingw-gnutls-3.6.13-1.fc31

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Fedora Update Notification
FEDORA-2020-d14280a6e8
2020-05-08 03:59:47.679320
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Name : mingw-gnutls
Product : Fedora 31
Version : 3.6.13
Release : 1.fc31
URL :   http://www.gnutls.org/
Summary : MinGW GnuTLS TLS/SSL encryption library
Description :
GnuTLS TLS/SSL encryption library. This library is cross-compiled
for MinGW.

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Update Information:

  https://lists.gnupg.org/pipermail/gnutls-help/2020-March/004642.html
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ChangeLog:

* Tue Mar 31 2020 Michael Cronenworth - 3.6.13-1
- New upstream release 3.6.13
* Wed Jan 29 2020 Fedora Release Engineering - 3.6.9-4
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Tue Oct 8 2019 Sandro Mani - 3.6.9-3
- Rebuild (Changes/Mingw32GccDwarf2)
- Add missing BR: byacc, bison
* Tue Aug 20 2019 Michael Cronenworth - 3.6.9-2
- Nettle 3.5.1 rebuild
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References:

[ 1 ] Bug #1619511 - CVE-2018-10844 mingw-gnutls: gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1619511
[ 2 ] Bug #1619518 - CVE-2018-10845 mingw-gnutls: gnutls: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1619518
[ 3 ] Bug #1619523 - CVE-2018-10846 mingw-gnutls: gnutls: "Just in Time" PRIME + PROBE cache-based side channel attack can lead to plaintext recovery [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1619523
[ 4 ] Bug #1821899 - CVE-2020-11501 mingw-gnutls: gnutls: DTLS client hello contains a random value of all zeroes [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1821899
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-d14280a6e8' 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