That has been answered several hundred times before, by Daniel himself in the original advisory.
Usually ubiquitous projects like this will privately distribute patches to large distros or corps so they can push security updates or at least prepare to push them on the disclosure date so that risk of exploit is lower by the date of disclosure. Otherwise there would be a lag and people would be more exposed for a period after disclosure.
Usually ubiquitous projects like this will privately distribute patches to large distros or corps so they can push security updates or at least prepare to push them on the disclosure date so that risk of exploit is lower by the date of disclosure. Otherwise there would be a lag and people would be more exposed for a period after disclosure.