A rust security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: rust-1.56.1-1.fc34

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Fedora Update Notification
FEDORA-2021-0578e23912
2021-11-04 01:32:58.741794
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Name : rust
Product : Fedora 34
Version : 1.56.1
Release : 1.fc34
URL :   https://www.rust-lang.org
Summary : The Rust Programming Language
Description :
Rust is a systems programming language that runs blazingly fast, prevents
segfaults, and guarantees thread safety.

This package includes the Rust compiler and documentation generator.

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Update Information:

Rust 1.56.1 adds a mitigation for CVE-2021-42574, the "trojan source" attack
that obfuscates code with BiDi control characters. The compiler will now error
on such characters in code comments and string/char literals. For more details,
see the upstream [security advisory](  https://blog.rust-
lang.org/2021/11/01/cve-2021-42574.html).
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ChangeLog:

* Mon Nov 1 2021 Josh Stone - 1.56.1-1
- Update to 1.56.1.
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-0578e23912' 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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