Security update for MozillaFirefox

Announcement ID: SUSE-SU-2026:1830-1
Release Date: 2026-05-12T12:00:51Z
Rating: important
References:
Cross-References:
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
  • CVE-2026-8090 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-8090 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  • CVE-2026-8091 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-8091 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-8092 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-8092 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-8094 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-8094 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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 eight vulnerabilities can now be installed.

Description:

This update for MozillaFirefox fixes the following issues

Updated to Firefox Extended Support Release 140.10.2 ESR (bsc#1264378,MFSA 2026-41):

  • CVE-2026-8090: Use-after-free in the DOM: Networking component.
  • CVE-2026-8092: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2.
  • CVE-2026-8094: Other issue in the WebRTC component.

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.
  • CVE-2026-8091: Incorrect boundary conditions in the Audio/Video: Playback component.

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-2026-1830=1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1830=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • MozillaFirefox-140.10.2-112.313.1
    • MozillaFirefox-debugsource-140.10.2-112.313.1
    • MozillaFirefox-translations-common-140.10.2-112.313.1
    • MozillaFirefox-debuginfo-140.10.2-112.313.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    • MozillaFirefox-devel-140.10.2-112.313.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • MozillaFirefox-140.10.2-112.313.1
    • MozillaFirefox-debugsource-140.10.2-112.313.1
    • MozillaFirefox-translations-common-140.10.2-112.313.1
    • MozillaFirefox-debuginfo-140.10.2-112.313.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    • MozillaFirefox-devel-140.10.2-112.313.1

References: