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Fedora 42 polkit Fix for Critical CVE-2026-4897 Unsanitized Getline Issue

fedora
Calendar Grey April 13, 2026
Dist Fedora Esm H88
Fedora 42 polkit patch fixes CVE-2026-4897 for unsanitized getline, improving authorization security.
CVE-2026-4897 aisle.com fix of unsanitized getline

Summary

polkit is a toolkit for defining and handling authorizations. It is

used for allowing unprivileged processes to speak to privileged

processes.

Update Information:

CVE-2026-4897 aisle.com fix of unsanitized getline

Change Log

* Fri Mar 27 2026 Jan Rybar - 126-3.2 - CVE-2026-4897 aisle.com fix of unsanitized getline

References

Fedora Update Notification FEDORA-2026-1774635f74 2026-04-13 00:49:53.479885+00:00 Name : polkit Product : Fedora 42 Version : 126 Release : 3.fc42.2 URL : https://github.com/polkit-org/polkit Summary : An authorization framework Description : polkit is a toolkit for defining and handling authorizations. It is used for allowing unprivileged processes to speak to privileged processes.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-1774635f74' 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
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Critical

Name: polkit
Product: Fedora 42
Version: 126
Release: 3.fc42.2
Summary: An authorization framework

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