A rust-oxipng security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: rust-oxipng-5.0.1-4.fc34

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Fedora Update Notification
FEDORA-2022-7ec8bda833
2022-02-04 01:20:59.298289
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Name : rust-oxipng
Product : Fedora 34
Version : 5.0.1
Release : 4.fc34
URL :   https://crates.io/crates/oxipng
Summary : Lossless PNG compression optimizer
Description :
Lossless PNG compression optimizer.

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Update Information:

Update the thread_local crate to version 1.1.4. This includes a fix for
[RUSTSEC-2022-0006](  https://rustsec.org/advisories/RUSTSEC-2022-0006.html)
(possible memory corruption caused by a data race). All applications that
statically link thread_local have been rebuilt for this version. Additionally,
all rebuilt applications now include the fix for
[CVE-2022-21658](  https://rustsec.org/advisories/CVE-2022-21658.html) (Time-of-
check Time-of-use race condition in `std::fs::remove_dir_all` from the Rust
standard library).
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ChangeLog:

* Tue Jan 25 2022 Fabio Valentini 5.0.1-4
- Rebuild with thread_local 1.1.4 for RUSTSEC-2022-0006
* Fri Jan 21 2022 Fedora Release Engineering 5.0.1-3
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2022-7ec8bda833' 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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