Use-after-free in the WebRTC: Signaling component. (CVE-2025-14321) Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. (CVE-2025-14322) Privilege escalation in the DOM: Notifications component. (CVE-2025-14323) JIT miscompilation in the JavaScript Engine: JIT component. (CVE-2025-14324, CVE-2025-14325, CVE-2025-14330) Privilege escalation in the Netmonitor component. (CVE-2025-14328, CVE-2025-14329) Same-origin policy bypass in the Request Handling component. (CVE-2025-14331) Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. (CVE-2025-14333)