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Critical vulnerability in WebP Codec has browser vendors scrambling for updates (stackdiary.com)

submitted 1 year ago by skilledtothegills@lemmy.world to c/technology@lemmy.world

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This affects all browsers and not just Chrome, as the media falsely reported it. Mozilla just rolled out a fix, and Brave is looking into it. This bug is likely related to the "zero-click" iOS 0day that was reported by Citizenlab last week.

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[–] anlumo@lemmy.world 6 points 1 year ago (1 children)

There is optimization. Every frame in the gif can define a rectangle it’s drawn in on top of the previous image. This works fine for reduced color animations (like cartoons), but of course breaks completely for videos.

[–] lud@lemm.ee 1 points 1 year ago

Well, that's something at least. I wonder how common its usage is.