SUSE alert openSUSE-SU-2026:20014-1 (firefox)

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meissner@suse.com
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:20014-1: important: Security update for MozillaFirefox
Date:
             
 
Tue, 13 Jan 2026 17:51:52 +0100
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<20260113165152.D6528FBA1@maintenance.suse.de>
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Article
openSUSE security update: security update for mozillafirefox
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20014-1
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 ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * 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-2025-14322 ( 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 ( 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 ( 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 ( 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 ( 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-2025-14328 ( 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 ( 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 ( 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-2025-14330 ( 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 ( 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 ( 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-2025-14333 ( 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 ( 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

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 10 vulnerabilities and has one bug fix 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 in the 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 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-16.0-128=1

Package List:

- openSUSE Leap 16.0:

  MozillaFirefox-140.6.0-160000.1.1
  MozillaFirefox-branding-upstream-140.6.0-160000.1.1
  MozillaFirefox-devel-140.6.0-160000.1.1
  MozillaFirefox-translations-common-140.6.0-160000.1.1
  MozillaFirefox-translations-other-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