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Alerts This Week
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Fedora 42: JupyterLab Critical Security Fix CVE-2025-59842

fedora
Calendar Grey October 6, 2025
Scroller Fedora
Fixes critical issue in JupyterLab 4.4.9 affecting Fedora 42. Update to safeguard against potential security risks.
jupyterlab 4.4.9 fixing CVE-2025-59842.

Summary

JupyterLab is the next-generation user interface for Project Jupyter

offering all the familiar building blocks of the classic Jupyter

Notebook (notebook, terminal, text editor, file browser, rich outputs, etc.)

in a flexible and powerful user interface.

Update Information:

jupyterlab 4.4.9 fixing CVE-2025-59842.

Topics%20covered

Topics Covered

security advisory fedora critical DoS CVE jupyterlab

Change Log

* Sat Sep 27 2025 Lumir Balhar - 4.4.9-1 - Update to 4.4.9 (rhbz#2398238) * Fri Sep 26 2025 Lumir Balhar - 4.4.8-1 - Update to 4.4.8 (rhbz#2398238) * Fri Sep 19 2025 Python Maint - 4.4.7-2 - Rebuilt for Python 3.14.0rc3 bytecode

References


[ 1 ] Bug #2399849 - CVE-2025-59842 jupyterlab: JupyterLab LaTeX typesetter links did not enforce `noopener` attribute [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2399849

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-547bc6efdc' 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
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Critical

Name: jupyterlab
Product: Fedora 42
Version: 4.4.9
Release: 1.fc42
URL: https://jupyter.org
Summary: JupyterLab computational environment

Topics%20covered

Topics Covered

security advisory fedora critical DoS CVE jupyterlab

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