Security update for MozillaFirefox

Announcement ID: SUSE-SU-2026:21541-1
Release Date: 2026-05-04T10:46:30Z
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
Affected Products:
  • SUSE Linux Enterprise Server 16.0
  • SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves four vulnerabilities can now be installed.

Description:

This update for MozillaFirefox fixes the following issues:

Update to Firefox Extended Support Release 140.10.1 ESR.

  • MFSA 2026-36 (bsc#1263110)
  • 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, Thunderbird ESR 140.10.1, Firefox 150.0.1 and Thunderbird 150.0.1
  • CVE-2026-7323: Memory safety bugs fixed in Firefox ESR 140.10.1, Thunderbird ESR 140.10.1, Firefox 150.0.1 and Thunderbird 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:

  • SUSE Linux Enterprise Server for SAP applications 16.0
    zypper in -t patch SUSE-SLES-16.0-669=1
  • SUSE Linux Enterprise Server 16.0
    zypper in -t patch SUSE-SLES-16.0-669=1

Package List:

  • SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    • MozillaFirefox-translations-other-140.10.1-160000.1.1
    • MozillaFirefox-debuginfo-140.10.1-160000.1.1
    • MozillaFirefox-debugsource-140.10.1-160000.1.1
    • MozillaFirefox-140.10.1-160000.1.1
    • MozillaFirefox-translations-common-140.10.1-160000.1.1
  • SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    • MozillaFirefox-devel-140.10.1-160000.1.1
  • SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le x86_64)
    • MozillaFirefox-translations-other-140.10.1-160000.1.1
    • MozillaFirefox-debuginfo-140.10.1-160000.1.1
    • MozillaFirefox-debugsource-140.10.1-160000.1.1
    • MozillaFirefox-140.10.1-160000.1.1
    • MozillaFirefox-translations-common-140.10.1-160000.1.1
  • SUSE Linux Enterprise Server 16.0 (noarch)
    • MozillaFirefox-devel-140.10.1-160000.1.1
    • MozillaFirefox-devel-140.10.1-160000.1.3
  • SUSE Linux Enterprise Server 16.0 (s390x)
    • MozillaFirefox-debugsource-140.10.1-160000.1.3
    • MozillaFirefox-140.10.1-160000.1.3
    • MozillaFirefox-translations-common-140.10.1-160000.1.3
    • MozillaFirefox-translations-other-140.10.1-160000.1.3
    • MozillaFirefox-debuginfo-140.10.1-160000.1.3

References: