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A comment on You Don't Know GIF – An analysis of a GIF file and some weird GIF features. Parent comment

Re:You Don't Know GIF – An analysis of a GIF file and some w... by OscarCunningham on Thursday March 10, 2022 @09:54AM (#30627573)
Maybe this screenshot is clearer since it shows the full desktop (Debian, KDE, X): https://i.imgur.com/Aqy3Twm.png.
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Re:You Don't Know GIF – An analysis of a GIF file and some w... by Pxtl on Thursday March 10, 2022 @10:12AM (#30627771)
Okay this had me giggling like an idiot. That's a hell of a bug.
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Re:You Don't Know GIF – An analysis of a GIF file and some w... by d33 on Thursday March 10, 2022 @10:49AM (#30628228)
Curious if it's exploitable.
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Re:You Don't Know GIF – An analysis of a GIF file and some w... by Pxtl on Thursday March 10, 2022 @11:12AM (#30628533)
I think JS can only read pixels from the screen within a Canvas, which likely would just return the canvas colors not the background. Maybe there's some complicated ninja social engineering you could do using this, but I doubt it.
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