Mozilla taps WebAssembly for browser security

Maria J. Danford

Mozilla is making use of WebAssembly-based memory sandboxing technologies to make improvements to safety in the Firefox browser. Called RLBox, the technologies makes it possible for Mozilla to rapidly change Firefox elements to run inside a WebAssembly sandbox.

Designed by college researchers, RLBox is a toolkit for sandboxing 3rd-get together libraries. It combines a WebAssembly-based sandbox and an API to retrofit present application code to interface with a sandboxed library. The isolation made available by RLBox is planned for inclusion in Firefox seventy four on Linux and Firefox seventy five on macOS, with Windows assist to follow quickly afterward. Firefox

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