ta_2325r9e
Re:You Don't Know GIF – An analysis of a GIF file and some weird GIF f...
on Thursday March 10, 2022 @01:26PM (#30630489)
I wrote a simple HTML and JS to test if that's possible:
Load this GIF, then draw it into a canvas using drawImage[1], then read the canvas content with getImageData. Luckily it returns an array of zeros, so it at least not trivially exploitable.
[1] https://developer.mozilla.org/en-US/docs/Web/API/CanvasRende... [2] https://developer.mozilla.org/en-US/docs/Web/API/CanvasRende...