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Fedora 42 Firefox 149 NSS Update Performance Fix 2026-49237e1ced

fedora
Calendar Grey March 31, 2026
Scroller Fedora
Discover the latest Fedora 42 advisory for Firefox 149.0 with key updates on NSS and performance enhancements.
Update NSS to 3.121.0 Update to Firefox 149.0

Summary

Mozilla Firefox is an open-source web browser, designed for standards

compliance, performance and portability.

Update Information:

Update NSS to 3.121.0 Update to Firefox 149.0

Topics%20covered

Topics Covered

security advisory fedora update firefox web browser information

Change Log

* Fri Mar 20 2026 Martin Stransky - 149.0-2 - Added D&D freeze fix D288856 * Thu Mar 19 2026 Martin Stransky - 149.0-1 - Update to latest upstream (149.0) * Tue Mar 17 2026 Jan Grulich - 148.0.2-2 - Add a potential fix for PipeWire camera crashes (mozbz#2023103)

References

Fedora Update Notification FEDORA-2026-49237e1ced 2026-03-31 01:08:27.845551+00:00 Name : firefox Product : Fedora 42 Version : 149.0 Release : 2.fc42 URL : https://www.mozilla.org/firefox/ Summary : Mozilla Firefox Web browser Description : Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-49237e1ced' 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

Name: firefox
Product: Fedora 42
Version: 149.0
Release: 2.fc42
URL: https://www.mozilla.org/firefox/
Summary: Mozilla Firefox Web browser

Topics%20covered

Topics Covered

security advisory fedora update firefox web browser information

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