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Fedora 44 : python-uv-build / ruff / rust-libcst / rust-libcst_derive / etc (2026-407b957a3b)

high Nessus Plugin ID 358427

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Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 44 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2026-407b957a3b advisory.

 Update the `libcst`/`libcst_derive` crates to [1.9.0](https://github.com/Instagram/LibCST/releases/tag/v1.9.0). Update the `salsa`/`salsa- macros`/`salsa-macro-rules` crates to [0.28.5](https://github.com/salsa- rs/salsa/blob/687bfce0418aa717561b83cb90b732549703f144/CHANGELOG.md), fixing a use-after-free bug, [GHSA- xc3w-55vh-cw3w](https://github.com/salsa-rs/salsa/security/advisories/GHSA-xc3w-55vh-cw3w).

 Update `ruff` to [0.16.9](https://github.com/astral-sh/ruff/blob/0.16.9/CHANGELOG.md) and `ty` to [0.0.84](https://github.com/astral-sh/ty/blob/bef3a06e67d863b41e841d4d75cf254f787e598a/CHANGELOG.md), fixing [GHSA-vxvm-j4xq-q7m4](https://github.com/astral-sh/ty/security/advisories/GHSA-vxvm-j4xq-q7m4), which could result in arbitrary code execution when typechecking untrusted code.

 Update `uv` and `python-uv-build` to [0.12.9](https://github.com/astral-sh/uv/blob/0.12.19/CHANGELOG.md).

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-407b957a3b

Plugin Details

Severity: High

ID: 358427

File Name: fedora_2026-407b957a3b.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:44, p-cpe:/a:fedoraproject:fedora:python-uv-build, p-cpe:/a:fedoraproject:fedora:ruff, p-cpe:/a:fedoraproject:fedora:rust-libcst, p-cpe:/a:fedoraproject:fedora:rust-libcst_derive, p-cpe:/a:fedoraproject:fedora:rust-salsa-macro-rules, p-cpe:/a:fedoraproject:fedora:rust-salsa-macros, p-cpe:/a:fedoraproject:fedora:rust-salsa, p-cpe:/a:fedoraproject:fedora:ty, p-cpe:/a:fedoraproject:fedora:uv

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/25/2026

Vulnerability Publication Date: 9/25/2026

Reference Information