ESB-2026.5242

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.5242 Security update for MozillaFirefox 18 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: MozillaFirefox Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-8090 CVE-2026-8091 CVE-2026-8092 CVE-2026-8094 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-202621607-1 Comment: CVSS (Max): 8.8 CVE-2026-8091 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H EPSS (Max): 0.0% (6th) CVE-2026-8091 2026-05-14 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for MozillaFirefox Announcement ID: SUSE-SU-2026:21607-1 Release Date: 2026-05-12T10:23:16Z Rating: moderate References: o bsc#1264378 o CVE-2026-8090 o CVE-2026-8091 Cross-References: o CVE-2026-8092 o CVE-2026-8094 o 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 o 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 o 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 o 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 CVSS scores: o 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 o 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 o 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 o 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 o SUSE Linux Enterprise Server 16.0 Products: o 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 Updated to Firefox Extended Support Release 140.10.2 ESR (bsc#1264378,MFSA 2026-41): o CVE-2026-8090: Use-after-free in the DOM: Networking component. o CVE-2026-8091: Incorrect boundary conditions in the Audio/Video: Playback component. o CVE-2026-8092: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2. o CVE-2026-8094: Other issue in the WebRTC 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: o SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-732=1 o SUSE Linux Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-732=1 Package List: o SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le x86_64) MozillaFirefox-140.10.2-160000.1.1 MozillaFirefox-debuginfo-140.10.2-160000.1.1 MozillaFirefox-debugsource-140.10.2-160000.1.1 MozillaFirefox-translations-common-140.10.2-160000.1.1 MozillaFirefox-translations-other-140.10.2-160000.1.1 o SUSE Linux Enterprise Server 16.0 (noarch) MozillaFirefox-devel-140.10.2-160000.1.1 MozillaFirefox-devel-140.10.2-160000.1.2 o SUSE Linux Enterprise Server 16.0 (s390x) MozillaFirefox-translations-other-140.10.2-160000.1.2 MozillaFirefox-debugsource-140.10.2-160000.1.2 MozillaFirefox-debuginfo-140.10.2-160000.1.2 MozillaFirefox-140.10.2-160000.1.2 MozillaFirefox-translations-common-140.10.2-160000.1.2 o SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64) MozillaFirefox-140.10.2-160000.1.1 MozillaFirefox-debuginfo-140.10.2-160000.1.1 MozillaFirefox-debugsource-140.10.2-160000.1.1 MozillaFirefox-translations-common-140.10.2-160000.1.1 MozillaFirefox-translations-other-140.10.2-160000.1.1 o SUSE Linux Enterprise Server for SAP applications 16.0 (noarch) MozillaFirefox-devel-140.10.2-160000.1.1 References: o https://www.suse.com/security/cve/CVE-2026-8090.html o https://www.suse.com/security/cve/CVE-2026-8091.html o https://www.suse.com/security/cve/CVE-2026-8092.html o https://www.suse.com/security/cve/CVE-2026-8094.html o https://bugzilla.suse.com/show_bug.cgi?id=1264378 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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