To address this issue, RLBox uses WebAssembly, a new type of code that developers can run in most modern web browsers.Īccording to Mozilla, 'RLBox is a big win for us on several fronts: it protects our users from accidental defects as well as supply-chain attacks, and it reduces the need for us to scramble when such issues are disclosed upstream.'įirefox 95 uses RLBox sandboxing to position the code into WebAssembly rather than a separate process.

Related: What Is Sandboxing and How Does It Protect You Online? For example, they might use one vulnerability to compromise a sandboxed process and another to break free from the sandbox. Threat actors can generally string together two vulnerabilities to bypass the sandboxing protection easily. While most modern browsers already use sandboxing, it is not always very effective. The RLBox sandboxing technology, which is available through the new Firefox 95 update, was developed by Mozilla in collaboration with the University of California San Diego and the University of Texas. What Makes Firefox 95's RLBox Technology Outstanding? What makes Mozilla's RLBox technology so distinctive? And how is Firefox 95 more secure than its former versions? Let's find out.

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