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Fedora 44 Maturin Upgrade Addresses CVE-2026-32766 CVE-2026-33056 Issues

fedora
Calendar Grey March 28, 2026
Dist Fedora Esm H88
Update for Fedora 44 fixes critical issues in multiple Python packages addressing directory permissions.
Update rust-astral-tokio-tar to 0.6.0, fixing CVE-2026-32766

Summary

Build and publish crates with pyo3, rust-cpython and cffi bindings as

well as rust binaries as python packages.

Update Information:

Update rust-astral-tokio-tar to 0.6.0, fixing CVE-2026-32766. Update rust-tar to 0.4.45, fixing CVE-2026-33056. Update rust-nix to 0.31.2. Update uv and python- uv-build to 0.10.2, rebuilding them with the latest rust-astral-tokio-tar and rust-tar. Update python-fastar to 0.9.0, rebuilding it with the lastest rust- tar. Rebuild maturin with the latest rust-tar.

Topics%20covered

Topics Covered

security advisory fedora python package permission modification cve-2026-33056 arbitrary permission

Change Log

* Sat Mar 21 2026 Benjamin A. Beasley - 1.9.6-5 - Rebuilt with rust-tar 0.4.45 for CVE-2026-33056

References


[ 1 ] Bug #2448054 - rust-astral-tokio-tar-0.6.0 is available https://bugzilla.redhat.com/show_bug.cgi?id=2448054 [ 2 ] Bug #2449243 - uv-0.10.12 is available https://bugzilla.redhat.com/show_bug.cgi?id=2449243 [ 3 ] Bug #2449274 - rust-tar-0.4.45 is available https://bugzilla.redhat.com/show_bug.cgi?id=2449274 [ 4 ] Bug #2449338 - python-uv-build-0.10.12 is available https://bugzilla.redhat.com/show_bug.cgi?id=2449338 [ 5 ] Bug #2449645 - python-fastar-0.9.0 is available https://bugzilla.redhat.com/show_bug.cgi?id=2449645 [ 6 ] Bug #2449681 - CVE-2026-33056 maturin: tar-rs: Arbitrary directory permission modification via crafted tar archive [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2449681 [ 7 ] Bug #2449683 - CVE-2026-33056 python-fastar: tar-rs: Arbitrary directory permission modification via crafted tar archive [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2449683 [ 8 ...

Read the Full Advisory

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-e22a7dbf2d' 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

Severity
critical
Lowest
Low
Medium
High
Critical

Name: maturin
Product: Fedora 44
Version: 1.9.6
Release: 5.fc44
URL: https://github.com/PyO3/maturin
Summary: Build and publish Rust crates as Python packages

Topics%20covered

Topics Covered

security advisory fedora python package permission modification cve-2026-33056 arbitrary permission

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