SUSE alert SUSE-SU-2026:0260-1 (firefox)
| From: | OPENSUSE-SECURITY-UPDATES <null@suse.de> | |
| To: | security-announce@lists.opensuse.org | |
| Subject: | SUSE-SU-2026:0260-1: important: Security update for MozillaFirefox | |
| Date: | Fri, 23 Jan 2026 08:32:24 -0000 | |
| Message-ID: | <176915714401.16846.5883983978491268621@smelt2.prg2.suse.org> | |
| Archive-link: | Article |
# Security update for MozillaFirefox Announcement ID: SUSE-SU-2026:0260-1 Release Date: 2026-01-22T16:12:21Z Rating: important References: * bsc#1256340 Cross-References: * CVE-2025-14327 * CVE-2026-0877 * CVE-2026-0878 * CVE-2026-0879 * CVE-2026-0880 * CVE-2026-0882 * CVE-2026-0883 * CVE-2026-0884 * CVE-2026-0885 * CVE-2026-0886 * CVE-2026-0887 * CVE-2026-0890 * CVE-2026-0891 CVSS scores: * CVE-2025-14327 ( SUSE ): 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N * CVE-2025-14327 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N * CVE-2025-14327 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N * CVE-2025-14327 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N * CVE-2026-0877 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N * CVE-2026-0878 ( NVD ): 8.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N * CVE-2026-0879 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-0880 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2026-0882 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2026-0883 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N * CVE-2026-0884 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-0885 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L * CVE-2026-0886 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N * CVE-2026-0887 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N * CVE-2026-0890 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L * CVE-2026-0891 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Affected Products: * Desktop Applications Module 15-SP7 * openSUSE Leap 15.6 * 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 13 vulnerabilities can now be installed. ## Description: This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.7.0 ESR (bsc#1256340). * MFSA 2026-03 * CVE-2026-0877: Mitigation bypass in the DOM: Security component * CVE-2026-0878: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component * CVE-2026-0879: Sandbox escape due to incorrect boundary conditions in the Graphics component * CVE-2026-0880: Sandbox escape due to integer overflow in the Graphics component * CVE-2026-0882: Use-after-free in the IPC component * CVE-2025-14327: Spoofing issue in the Downloads Panel component * CVE-2026-0883: Information disclosure in the Networking component * CVE-2026-0884: Use-after-free in the JavaScript Engine component * CVE-2026-0885: Use-after-free in the JavaScript: GC component * CVE-2026-0886: Incorrect boundary conditions in the Graphics component * CVE-2026-0887: Clickjacking issue, information disclosure in the PDF Viewer component * CVE-2026-0890: Spoofing issue in the DOM: Copy-Paste and Drag-Drop component * CVE-2026-0891: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147 ## 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: * openSUSE Leap 15.6 zypper in -t patch openSUSE-SLE-15.6-2026-260=1 * Desktop Applications Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-260=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-260=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-260=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-260=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-260=1 * SUSE Linux Enterprise Server 15 SP4 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-260=1 * SUSE Linux Enterprise Server 15 SP5 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-260=1 * SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-260=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-260=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-260=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-260=1 ## Package List: * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-branding-upstream-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * openSUSE Leap 15.6 (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * Desktop Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * Desktop Applications Module 15-SP7 (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server 15 SP4 LTSS (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server 15 SP5 LTSS (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server 15 SP6 LTSS (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64) * MozillaFirefox-translations-other-140.7.0-150200.152.216.1 * MozillaFirefox-debugsource-140.7.0-150200.152.216.1 * MozillaFirefox-translations-common-140.7.0-150200.152.216.1 * MozillaFirefox-140.7.0-150200.152.216.1 * MozillaFirefox-debuginfo-140.7.0-150200.152.216.1 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch) * MozillaFirefox-devel-140.7.0-150200.152.216.1 ## References: * https://www.suse.com/security/cve/CVE-2025-14327.html * https://www.suse.com/security/cve/CVE-2026-0877.html * https://www.suse.com/security/cve/CVE-2026-0878.html * https://www.suse.com/security/cve/CVE-2026-0879.html * https://www.suse.com/security/cve/CVE-2026-0880.html * https://www.suse.com/security/cve/CVE-2026-0882.html * https://www.suse.com/security/cve/CVE-2026-0883.html * https://www.suse.com/security/cve/CVE-2026-0884.html * https://www.suse.com/security/cve/CVE-2026-0885.html * https://www.suse.com/security/cve/CVE-2026-0886.html * https://www.suse.com/security/cve/CVE-2026-0887.html * https://www.suse.com/security/cve/CVE-2026-0890.html * https://www.suse.com/security/cve/CVE-2026-0891.html * https://bugzilla.suse.com/show_bug.cgi?id=1256340
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