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SUSE: MozillaFirefox Important Privilege Escalation Patch 2025:4424-1

suse
Calendar Grey December 17, 2025
Dist Suse Esm H88
Essential update for Mozilla Firefox fixes 10 issues including privilege escalation. Stay secure with SUSE's latest patch.
An update that solves 10 vulnerabilities can now be installed.

Summary

## This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.6.0 ESR (bsc#1254551). * MFSA 2025-94 * 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.

Topics%20covered

Topics Covered

security advisory SuSE privilege escalation important memory safety mozilla firefox

References

* bsc#1254551

Cross-

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:4424-1
Release Date: 2025-12-17T11:10:08Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE privilege escalation important memory safety mozilla firefox

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