Vulnerabilities

Memory safety bugs present in Firefox 129.

Multiple prompts and panels from both Firefox and the Android OS could be used to obscure the notification announcing the transition to fullscreen mode after the fix for CVE-2023-6870 in Firefox 121.

Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1.

If a site had been granted the permission to open popup windows, it could cause Select elements to appear on top of another site to perform a spoofing attack.

A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability.

The JavaScript garbage collector could mis-color cross-compartment objects if OOM conditions were detected at the right point between two passes.

Firefox normally asks for confirmation before asking the operating system to find an application to handle a scheme that the browser does not support.

Internal browser event interfaces were exposed to web content when privileged EventHandler listener callbacks ran for those events.

A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment.