Fedora 42 dnf5 Critical CVE-2026-3836 Denial of Service 2026-beac8e1f11
fedora
March 13, 2026
This release fixes CVE-2026-3836 (a crash in dnf5daemon-server when receiving an unknown locale from a D-Bus client.
Summary
DNF5 is a command-line package manager that automates the process of installing,
upgrading, configuring, and removing computer programs in a consistent manner.
It supports RPM packages, modulemd modules, and comps groups & environments.
Update Information:
This release fixes CVE-2026-3836 (a crash in dnf5daemon-server when receiving an unknown locale from a D-Bus client.
Topics Covered
Change Log
* Tue Mar 10 2026 Petr Pisar
References
[ 1 ] Bug #2445770 - CVE-2026-3836 dnf5: dnf5: Denial of Service via path traversal in D-Bus locale configuration
https://bugzilla.redhat.com/show_bug.cgi?id=2445770
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-beac8e1f11' 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
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Name: dnf5
Product: Fedora 42
Version: 5.2.18.0
Release: 2.fc42
Summary: Command-line package manager
Topics Covered
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