A mingw-protobuf security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: mingw-protobuf-3.14.0-4.fc34

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Fedora Update Notification
FEDORA-2022-fedff53e4e
2022-03-09 19:15:14.944953
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Name : mingw-protobuf
Product : Fedora 34
Version : 3.14.0
Release : 4.fc34
URL :   https://github.com/protocolbuffers/protobuf
Summary : MinGW Windows protobuf library
Description :
MinGW Windows protobuf library.

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Update Information:

Backport fix for CVE-2021-22570.
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ChangeLog:

* Wed Mar 2 2022 Sandro Mani - 3.14.0-4
- Backport patch for CVE-2021-22570
* Thu Jul 22 2021 Fedora Release Engineering - 3.14.0-3
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
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References:

[ 1 ] Bug #2050496 - CVE-2021-22570 mingw-protobuf: protobuf: Incorrect parsing of nullchar in the proto symbol leads to Nullptr dereference [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=2050496
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2022-fedff53e4e' 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
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