It looks like there was a sync that happened an hour ago that caused most of the advisories to be removed from the repository: https://github.com/github/advisory-database/commit/06071dd8e490ed354657f8ee158880433cf04997. https://github.com/github/advisory-database/issues/827#tasklist-block-51c0354a-fb8d-4af3-ae52-03a63b24fc0b
It looks like there was a sync that happened an hour ago that caused most of the advisories to be removed from the repository: 06071dd.
#827 (comment)