{
 "item_id": "ker-trustdns_ptr",
 "kernel": "trustdns_ptr",
 "advisory": "RUSTSEC-2018-0007",
 "crate": "trust-dns-proto",
 "pre_version": "0.4.2",
 "post_version": "0.4.3",
 "advisory_url": null,
 "title": "Stack overflow when parsing malicious DNS packet",
 "source_file": "src/rr/domain/name.rs",
 "function": "pointer_ok",
 "signature": "pub fn pointer_ok(location: usize, pointer_location: usize, name_start: usize) -> bool",
 "spec_doc": "A DNS name-compression pointer is acceptable iff its target lies strictly before the start of the name currently being parsed (so pointer chains cannot loop).",
 "bug_class": "dos_loop_or_recursion",
 "fidelity": "verbatim_logic",
 "extraction_note": "src/rr/domain/name.rs Name::read: pointer compared with current label instead of name start (self-referential name)",
 "witness_args": "0usize, 2usize, 0usize",
 "labels": {
  "buggy": "trust-dns-proto@0.4.2",
  "reference": "trust-dns-proto@0.4.3"
 }
}