SUSE alert openSUSE-SU-2026:21043-1 (firefox)
| From: | null@suse.de | |
| To: | security-announce@lists.opensuse.org | |
| Subject: | openSUSE-SU-2026:21043-1: important: Security update for MozillaFirefox | |
| Date: | Tue, 30 Jun 2026 09:48:04 +0200 | |
| Message-ID: | <20260630074804.40738FF4B@maintenance.suse.de> | |
| Archive-link: | Article |
openSUSE security update: security update for mozillafirefox ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21043-1 Rating: important References: * bsc#1268071 Cross-References: * CVE-2026-12289 * CVE-2026-12290 * CVE-2026-12291 * CVE-2026-12292 * CVE-2026-12294 * CVE-2026-12295 * CVE-2026-12296 * CVE-2026-12297 * CVE-2026-12298 * CVE-2026-12299 * CVE-2026-12302 * CVE-2026-12304 * CVE-2026-12305 * CVE-2026-12306 * CVE-2026-12307 * CVE-2026-12308 * CVE-2026-12309 * CVE-2026-12310 * CVE-2026-12311 * CVE-2026-12312 * CVE-2026-12313 * CVE-2026-12314 * CVE-2026-12315 * CVE-2026-12324 * CVE-2026-12325 * CVE-2026-12327 * CVE-2026-12328 * CVE-2026-12329 * CVE-2026-12330 CVSS scores: * CVE-2026-12290 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N * CVE-2026-12291 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2026-12292 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L * CVE-2026-12294 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2026-12295 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2026-12296 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2026-12297 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2026-12298 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N * CVE-2026-12299 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N * CVE-2026-12302 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N * CVE-2026-12304 ( SUSE ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N * CVE-2026-12305 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2026-12306 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N * CVE-2026-12307 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N * CVE-2026-12308 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N * CVE-2026-12309 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L * CVE-2026-12310 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N * CVE-2026-12311 ( SUSE ): 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N * CVE-2026-12312 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N * CVE-2026-12313 ( SUSE ): 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N * CVE-2026-12314 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N * CVE-2026-12315 ( SUSE ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N * CVE-2026-12324 ( SUSE ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L * CVE-2026-12325 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2026-12327 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-12328 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-12329 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L * CVE-2026-12330 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Affected Products: openSUSE Leap 16.0 ------------------------------------------------------------- An update that solves 29 vulnerabilities and has one bug fix can now be installed. Description: This update for MozillaFirefox fixes the following issue Update to Firefox 140.12.0 ESR (MFSA 2026-58, bsc#1268071): - CVE-2026-12289: Privilege escalation in the Graphics: WebRender component. - CVE-2026-12290: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12291: Use-after-free in the Networking: HTTP component. - CVE-2026-12292: Incorrect boundary conditions in the Web Audio component. - CVE-2026-12294: Sandbox escape in the DOM: Workers component. - CVE-2026-12295: Sandbox escape in the DOM: Navigation component. - CVE-2026-12296: Sandbox escape in the Security: Process Sandboxing component. - CVE-2026-12297: Sandbox escape due to incorrect boundary conditions in the Networking component. - CVE-2026-12298: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12299: JIT miscompilation in the DOM: Core & HTML component. - CVE-2026-12302: Mitigation bypass in the DOM: Security component. - CVE-2026-12304: Same-origin policy bypass in the Networking: Cookies component. - CVE-2026-12305: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12306: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12307: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12308: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12309: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12310: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12311: Information disclosure, sandbox escape in the Security: Process Sandboxing component. - CVE-2026-12312: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12313: Information disclosure, sandbox escape in the Security: Process Sandboxing component. - CVE-2026-12314: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12315: Mitigation bypass in the DOM: Security component. - CVE-2026-12324: Incorrect boundary conditions in the Graphics: CanvasWebGL component. - CVE-2026-12325: Denial-of-service in the Graphics: ImageLib component. - CVE-2026-12327: Memory safety bugs fixed in Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152. - CVE-2026-12328: Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152. - CVE-2026-12329: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12330: Incorrect boundary conditions in the Internationalization component. Patch instructions: To install this openSUSE security 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 16.0 zypper in -t patch openSUSE-Leap-16.0-1056=1 Package List: - openSUSE Leap 16.0: MozillaFirefox-140.12.0-160000.1.1 MozillaFirefox-branding-upstream-140.12.0-160000.1.1 MozillaFirefox-devel-140.12.0-160000.1.1 MozillaFirefox-translations-common-140.12.0-160000.1.1 MozillaFirefox-translations-other-140.12.0-160000.1.1 References: * https://www.suse.com/security/cve/CVE-2026-12289.html * https://www.suse.com/security/cve/CVE-2026-12290.html * https://www.suse.com/security/cve/CVE-2026-12291.html * https://www.suse.com/security/cve/CVE-2026-12292.html * https://www.suse.com/security/cve/CVE-2026-12294.html * https://www.suse.com/security/cve/CVE-2026-12295.html * https://www.suse.com/security/cve/CVE-2026-12296.html * https://www.suse.com/security/cve/CVE-2026-12297.html * https://www.suse.com/security/cve/CVE-2026-12298.html * https://www.suse.com/security/cve/CVE-2026-12299.html * https://www.suse.com/security/cve/CVE-2026-12302.html * https://www.suse.com/security/cve/CVE-2026-12304.html * https://www.suse.com/security/cve/CVE-2026-12305.html * https://www.suse.com/security/cve/CVE-2026-12306.html * https://www.suse.com/security/cve/CVE-2026-12307.html * https://www.suse.com/security/cve/CVE-2026-12308.html * https://www.suse.com/security/cve/CVE-2026-12309.html * https://www.suse.com/security/cve/CVE-2026-12310.html * https://www.suse.com/security/cve/CVE-2026-12311.html * https://www.suse.com/security/cve/CVE-2026-12312.html * https://www.suse.com/security/cve/CVE-2026-12313.html * https://www.suse.com/security/cve/CVE-2026-12314.html * https://www.suse.com/security/cve/CVE-2026-12315.html * https://www.suse.com/security/cve/CVE-2026-12324.html * https://www.suse.com/security/cve/CVE-2026-12325.html * https://www.suse.com/security/cve/CVE-2026-12327.html * https://www.suse.com/security/cve/CVE-2026-12328.html * https://www.suse.com/security/cve/CVE-2026-12329.html * https://www.suse.com/security/cve/CVE-2026-12330.html