SUSE-SU-2026:1829-1: important: Security update for MozillaFirefox

SLE-SECURITY-UPDATES null at suse.de
Wed May 13 16:31:00 UTC 2026 

# Security update for MozillaFirefox

Announcement ID: SUSE-SU-2026:1829-1  
Release Date: 2026-05-12T12:00:21Z  
Rating: important  
References:

  * bsc#1263110

  
Cross-References:

  * CVE-2026-7320
  * CVE-2026-7321
  * CVE-2026-7322
  * CVE-2026-7323

  
CVSS scores:

  * CVE-2026-7320 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-7321 ( NVD ):  9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
  * CVE-2026-7322 ( NVD ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2026-7323 ( NVD ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

  
Affected Products:

  * Desktop Applications Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for MozillaFirefox fixes the following issues

Updated to Firefox Extended Support Release 140.10.1 ESR (bsc#1263110,MFSA
2026-36):

  * CVE-2026-7320: Information disclosure due to incorrect boundary conditions
    in the Audio/Video component.
  * CVE-2026-7321: Sandbox escape due to incorrect boundary conditions in the
    WebRTC: Networking component.
  * CVE-2026-7322: Memory safety bugs fixed in Firefox ESR 115.35.1, Firefox ESR
    140.10.1 and Firefox 150.0.1.
  * CVE-2026-7323: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox
    150.0.1.

## 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:

  * Desktop Applications Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-1829=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1829=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1829=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1829=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1829=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1829=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1829=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1829=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1829=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1829=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1829=1

## Package List:

  * Desktop Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * Desktop Applications Module 15-SP7 (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * MozillaFirefox-debugsource-140.10.1-150200.152.234.1
    * MozillaFirefox-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-other-140.10.1-150200.152.234.1
    * MozillaFirefox-debuginfo-140.10.1-150200.152.234.1
    * MozillaFirefox-translations-common-140.10.1-150200.152.234.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
    * MozillaFirefox-devel-140.10.1-150200.152.234.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-7320.html
  * https://www.suse.com/security/cve/CVE-2026-7321.html
  * https://www.suse.com/security/cve/CVE-2026-7322.html
  * https://www.suse.com/security/cve/CVE-2026-7323.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1263110

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