A mbedtls security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: mbedtls-2.16.11-1.fc34

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Fedora Update Notification
FEDORA-2021-165969af24
2021-08-02 01:02:57.308704
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Name : mbedtls
Product : Fedora 34
Version : 2.16.11
Release : 1.fc34
URL :   https://tls.mbed.org/
Summary : Light-weight cryptographic and SSL/TLS library
Description :
Mbed TLS is a light-weight open source cryptographic and SSL/TLS
library written in C. Mbed TLS makes it easy for developers to include
cryptographic and SSL/TLS capabilities in their (embedded)
applications with as little hassle as possible.
FOSS License Exception:   https://tls.mbed.org/foss-license-exception

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Update Information:

- Update to 2.16.11 Release notes:
  https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.11
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ChangeLog:

* Sat Jul 24 2021 Morten Stevens - 2.16.11-1
- Update to 2.16.11
* Thu Jul 22 2021 Fedora Release Engineering - 2.16.9-3
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
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References:

[ 1 ] Bug #1943664 - mbedtls: multiple vulnerabilities fixed in mbedtls-2.26.0
  https://bugzilla.redhat.com/show_bug.cgi?id=1943664
[ 2 ] Bug #1981510 - mbedtls: Local side channel attack on RSA
  https://bugzilla.redhat.com/show_bug.cgi?id=1981510
[ 3 ] Bug #1981514 - mbedtls: Local side channel attack on static Diffie-Hellman with Montgomery curves
  https://bugzilla.redhat.com/show_bug.cgi?id=1981514
[ 4 ] Bug #1985311 - CVE-2021-24119 mbedtls: side-channel vulnerability allows system-level-attacker information disclosure
  https://bugzilla.redhat.com/show_bug.cgi?id=1985311
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-165969af24' 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