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Fedora 43 pcs Important Prototype Pollution Security Notice 2026-88c901f6a2

fedora
Calendar Grey March 15, 2026
Dist Fedora Esm H88
Update for Fedora 43 pcs addresses important issues, including prototype pollution and installation fixes.
Rebased pcs to the newest major version (see CHANGELOG.md) Updated standalone web UI and HA Cluster Management Cockpit application to pcs- web-ui 0.1.24.2 (see CHANGELOG_WUI.md) Fi...

Summary

pcs is a configuration tool for Corosync and Pacemaker. It permits users to

easily view, modify and create high availability clusters based on Pacemaker.

This package contains the pcs command-line utility and its server pcsd.

Update Information:

Rebased pcs to the newest major version (see CHANGELOG.md) Updated standalone web UI and HA Cluster Management Cockpit application to pcs- web-ui 0.1.24.2 (see CHANGELOG_WUI.md) Fixed FTBFS with Python 3.15 Fixed issues with installing pcs on Fedora 43+, upgrade and uninstall

Topics%20covered

Topics Covered

security advisory fedora important upgrade pcs prototype pollution

Change Log

* Thu Mar 5 2026 Michal Posp\u0161il - 0.12.2-1 - Rebased pcs to the newest major version (see CHANGELOG.md) - Updated standalone web UI and HA Cluster Management Cockpit application to pcs-web-ui 0.1.24.2 (see CHANGELOG_WUI.md) Resolves: rhbz#2432985, rhbz#2433035 - Fixed FTBFS with Python 3.15 Resolves: rhbz#2440684 - Fixed issues with installing pcs on Fedora 43+, upgrade and uninstall * Fri Jan 16 2026 Fedora Release Engineering - 0.12.1-6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild

References


[ 1 ] Bug #2433035 - CVE-2025-13465 pcs: prototype pollution in _.unset and _.omit functions [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2433035

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-88c901f6a2' 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
important
Lowest
Low
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Critical

Name: pcs
Product: Fedora 43
Version: 0.12.2
Release: 1.fc43
URL: https://github.com/ClusterLabs/pcs
Summary: Pacemaker/Corosync Configuration System

Topics%20covered

Topics Covered

security advisory fedora important upgrade pcs prototype pollution

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