alt Hacker NewsIt's pretty hard to have an accidental a use after free in the FireFox CSS engine because it is mostly safe Rust. It's possible, but very unlikely.
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moritzwarhier • yesterday at 5:51 PM
Firefox and Safari developers dared the Chromium team to implement :has() and Houdini and this is the result!
/s
That came to my mind as well. CSS was one of the earliest major applications of Rust in FireFox. I believe that work was when the "Fearless Concurrency" slogan was popularized.