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Comment by flohofwoe

4 hours ago

Indeed, NaCl and PNaCl would have been hit by Meltdown/Spectre at least as badly as SharedArrayBuffer.

I remember early during the Wasm design process we were openly speculating whether people would eventually figure out how to do stuff like Rowhammer from raw Javascript. My bet was on Yes, but I don't remember if any of my teammates said No. I think we all knew the writing was on the wall by then.