Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability

Mozilla Firefox Use-After-Free Vulnerability

Mozilla Multiple Products Remote Code Execution Vulnerability

Mozilla Firefox Use-After-Free Vulnerability

Sandbox escape in the Remote Settings Client component

Sandbox escape due to invalid pointer in the Disability Access APIs component

Sandbox escape due to use-after-free in the Graphics: Canvas2D component

Sandbox escape in the Responsive Design Mode component

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component

Sandbox escape due to use-after-free in the Disability Access APIs component

Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component

Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software

Sandbox escape in the Storage: IndexedDB component

Sandbox escape in the Graphics: WebRender component

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component

Sandbox escape in the Messaging System component

Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code

A compromised child process could have injected XBL Bindings into privileged CSS rules, resulting in arbitrary code execution and a sandbox escape

It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox

The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame

The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape

The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape

An earlier fix for an Inter-process Communication (IPC) vulnerability, CVE-2011-3079, added authentication to communication between IPC endpoints and server parents during IPC…

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 allow remote attackers to cause a denial of service (memory corruption and application…

Mitigation bypass in the File Handling component

Other issue in the DevTools component

Invalid pointer in the JavaScript: WebAssembly component

Sandbox escape in the Profile Backup component

Incorrect boundary conditions in the Security: Process Sandboxing component

Incorrect boundary conditions in the DOM: Animation component

Incorrect boundary conditions in the Networking: HTTP component

Internally found bugs fixed in Thunderbird 155, Thunderbird ESR 153.2 and Thunderbird ESR 140.15

Internally found bugs fixed in Thunderbird 155

Integer overflow in the Graphics: ImageLib component

Site isolation issue in the DOM: Navigation component

Other issue in the Profile Backup component

Site isolation issue in the DOM: Push Subscriptions component

Site isolation issue in the DOM: Navigation component

Internally found bugs fixed in Firefox 154

Internally found bugs fixed in Firefox ESR 153.1 and Firefox 154

Privilege escalation in the Enterprise Policies component

Mitigation bypass in the Add-ons Manager component

Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154

Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154

Integer overflow in the Graphics component

Use-after-free in the DOM: Core & HTML component

Use-after-free in the Graphics: ImageLib component

Use-after-free in the Graphics: Text component

Use-after-free in the JavaScript: WebAssembly component

Memory safety bugs fixed in Thunderbird ESR 140.13