SUSE-SU-2025:01710-1: important: Security update for MozillaFirefox

[SLE-SECURITY-UPDATES]

# Security update for MozillaFirefox

Announcement ID: SUSE-SU-2025:01710-1  
Release Date: 2025-05-26T17:33:53Z  
Rating: important  
References:

  * bsc#1243303

  
Cross-References:

  * CVE-2025-4918
  * CVE-2025-4919

  
CVSS scores:

  * CVE-2025-4918 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-4918 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-4918 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2025-4919 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-4919 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-4919 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

  
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 solves two vulnerabilities can now be installed.

## Description:

This update for MozillaFirefox fixes the following issues:

Update to Firefox Extended Support Release 128.10.1 ESR.

  * MFSA 2025-37 (bsc#1243303)
  * CVE-2025-4918: Out-of-bounds access when resolving Promise objects
  * CVE-2025-4919: Out-of-bounds access when optimizing linear sums

## 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-2025-1710=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-1710=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * MozillaFirefox-debugsource-128.10.1-112.259.1
    * MozillaFirefox-debuginfo-128.10.1-112.259.1
    * MozillaFirefox-translations-common-128.10.1-112.259.1
    * MozillaFirefox-128.10.1-112.259.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * MozillaFirefox-devel-128.10.1-112.259.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * MozillaFirefox-debugsource-128.10.1-112.259.1
    * MozillaFirefox-debuginfo-128.10.1-112.259.1
    * MozillaFirefox-translations-common-128.10.1-112.259.1
    * MozillaFirefox-128.10.1-112.259.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * MozillaFirefox-devel-128.10.1-112.259.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-4918.html
  * https://www.suse.com/security/cve/CVE-2025-4919.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1243303

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