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SUSE: MozillaFirefox Important Update 2026:20031-1 CVE-2025-14321

An update that solves 10 vulnerabilities can now be installed.. # Security update for MozillaFirefox Announcement ID: SUSE-SU-2026:20031-1 Release Date: 2026-01-12T11:35:13Z Rating: important References: * bsc#1254551 Cross-References: * CVE-2025-14321 * CVE-2025-14322 * CVE-2025-14323 * CVE-2025-14324 * CVE-2025-14325 * CVE-2025-14328 * CVE-2025-14329 * CVE-2025-14330 * CVE-2025-14331 * CVE-2025-14333 CVSS scores: * CVE-2025-14321 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-14321 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2025-14321 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-14321 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-14322 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-14322 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2025-14322 ( NVD ): 8.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N * CVE-2025-14323 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-14323 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2025-14323 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2025-14324 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-14324 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2025-14324 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-14324 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-14325 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-14325 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2025-14325 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L * CVE-2025-14328 ( SUSE ): 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N * CVE-2025-14328 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L * CVE-2025-14328 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2025-14329 ( SUSE ): 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N * CVE-2025-14329 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L * CVE-2025-14329 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2025-14330 ( 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-2025-14330 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N * CVE-2025-14330 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-14330 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-14331 ( 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-2025-14331 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N * CVE-2025-14331 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N * CVE-2025-14331 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N * CVE-2025-14333 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-14333 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2025-14333 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-14333 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Affected Products: * SUSE Linux Enterprise Server 16.0 * SUSE Linux Enterprise Server for SAP Applications 16.0 An update that solves 10 vulnerabilities can now be installed. ## Description: This update for MozillaFirefox fixes the following issues: Changes in MozillaFirefox: Firefox Extended Support Release 140.6.0 ESR was released: * Fixed: Various security fixes. MFSA 2025-94 (bsc#1254551): * CVE-2025-14321: Use-after-free in the WebRTC: Signaling component * CVE-2025-14322: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component * CVE-2025-14323: Privilege escalation inthe DOM: Notifications component * CVE-2025-14324: JIT miscompilation in the JavaScript Engine: JIT component * CVE-2025-14325: JIT miscompilation in the JavaScript Engine: JIT component * CVE-2025-14328: Privilege escalation in the Netmonitor component * CVE-2025-14329: Privilege escalation in the Netmonitor component * CVE-2025-14330: JIT miscompilation in the JavaScript Engine: JIT component * CVE-2025-14331: Same-origin policy bypass in the Request Handling component * CVE-2025-14333: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146 ## 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 16.0 zypper in -t patch SUSE-SLES-16.0-128=1 * SUSE Linux Enterprise Server for SAP Applications 16.0 zypper in -t patch SUSE-SLES-16.0-128=1 ## Package List: * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64) * MozillaFirefox-debuginfo-140.6.0-160000.1.1 * MozillaFirefox-translations-other-140.6.0-160000.1.1 * MozillaFirefox-debugsource-140.6.0-160000.1.1 * MozillaFirefox-140.6.0-160000.1.1 * MozillaFirefox-translations-common-140.6.0-160000.1.1 * SUSE Linux Enterprise Server 16.0 (noarch) * MozillaFirefox-devel-140.6.0-160000.1.1 * SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64) * MozillaFirefox-debuginfo-140.6.0-160000.1.1 * MozillaFirefox-translations-other-140.6.0-160000.1.1 * MozillaFirefox-debugsource-140.6.0-160000.1.1 * MozillaFirefox-140.6.0-160000.1.1 * MozillaFirefox-translations-common-140.6.0-160000.1.1 * SUSE Linux Enterprise Server for SAP Applications 16.0 (noarch) * MozillaFirefox-devel-140.6.0-160000.1.1 ## References: * https://www.suse.com/security/cve/CVE-2025-14321.html * https://www.suse.com/security/cve/CVE-2025-14322.html *https://www.suse.com/security/cve/CVE-2025-14323.html * https://www.suse.com/security/cve/CVE-2025-14324.html * https://www.suse.com/security/cve/CVE-2025-14325.html * https://www.suse.com/security/cve/CVE-2025-14328.html * https://www.suse.com/security/cve/CVE-2025-14329.html * https://www.suse.com/security/cve/CVE-2025-14330.html * https://www.suse.com/security/cve/CVE-2025-14331.html * https://www.suse.com/security/cve/CVE-2025-14333.html * https://bugzilla.suse.com/show_bug.cgi?id=1254551 . Update for MozillaFirefox addresses 10 important issues, including privilege escalations and JIT miscompilation fixes.. MozillaFirefox Security Update, Important Firefox Patch, SUSE Mozilla Update, Linux Security Advisory. . LinuxSecurity.com Team

Jan 15, 2026 SuSE