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SUSE: Mozilla Firefox Critical Patch Addressing Vulnerability 2025:04578-3

suse
Calendar Grey October 2, 2025
Dist Suse Esm H88
Critical update for SUSE MozillaFirefox enhances reliability and addresses important security issues. Install promptly for improved security.
* bsc#1250452 Affected Products: * SUSE Linux Enterprise High Performance Computing 12 SP5 * SUSE Linux Enterprise Server 12 SP5

Summary

## This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.3.1 ESR (bsc#1250452). * Improved reliability when HTTP/3 connections fail: Firefox no longer forces HTTP/2 during fallback, allowing the server to choose the protocol and preventing stalls on some sites. ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2025-3447=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-3447=1 ## Package List:

References

* bsc#1250452

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that has one security fix can now be installed.

##

* https://bugzilla.suse.com/show_bug.cgi?id=1250452

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03447-1
Release Date: 2025-10-02T07:14:13Z
Rating: important

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