Add advisory for cbox

crates/cbox/RUSTSEC-0000-0000.toml

@@ -0,0 +1,15 @@
+[advisory]
+id = "RUSTSEC-0000-0000"
+package = "cbox"
+date = "2020-03-19"
+title = "CBox API allows to de-reference raw pointers without `unsafe` code"
+url = "https://github.com/TomBebbington/cbox-rs/issues/2"
+categories = ["memory-corruption"]
+description = """
+`CBox` and `CSemiBox` are part of the public API of the cbox crate
+and they allow to create smart pointers from raw pointers and de-reference
+them without the need of `unsafe` code.
+"""
+
+[versions]
+patched = []