Google says Apple employee found a zero-day but did not report it

Google fixed a zero-day in Chrome that was found by an Apple employee, according to comments in the official bug report. While the bug itself is not newsworthy, the circumstances of how this bug was found and reported to Google are, to say the least, peculiar.
According to a Google employee, the bug was originally found by an Apple employee who was participating in a Capture The Flag (CTF) hacking competition in March. But that Apple employee did not report the bug, which at the time was a zero-day — meaning Google wasn’t aware of the bug and no patch had been issued yet. The bug was instead r

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