Do you have a public source about an embargo period for this one? I wasn't able to find one

Considering there were patched libraries at the time of disclosure, those libraries' authors must have been informed ahead of time.

Pharaoh2 an hour ago | parent | prev [-]

Privately Disclosed: Nov 29 Fix pushed: Dec 1 Publicly disclosed: Dec 3

	▲	drysart an hour ago \| parent [-]
		Then even in the worst case scenario, they were addressing this issue two days after it was publicly disclosed. So this wasn't a "rush to fix the zero day ASAP" scenario, which makes it harder to justify ignoring errors that started occuring in a small scale rollout.