A double free can occur in removeset upon a panic in a Drop impl. When removing a set of elements, ptr::dropin_place is called on each of the element to be removed. If the Drop impl of one of these elements panics then the previously dropped elements can be dropped again.
{
"nvd_published_at": null,
"severity": "CRITICAL",
"cwe_ids": [
"CWE-415"
],
"github_reviewed_at": "2021-08-19T17:04:15Z",
"github_reviewed": true
}