Add rustls GHSA-6g7w-8wpp-frhj

Author: ctz

crates/rustls/RUSTSEC-0000-0000.md

@@ -0,0 +1,29 @@
+```toml
+[advisory]
+id = "RUSTSEC-0000-0000"
+package = "rustls"
+date = "2024-04-19"
+url = "https://github.com/rustls/rustls/security/advisories/GHSA-6g7w-8wpp-frhj"
+categories = ["denial-of-service"]
+aliases = ["GHSA-6g7w-8wpp-frhj"]
+cvss = "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
+
+[versions]
+patched = [">= 0.23.5", ">= 0.22.4", ">= 0.21.11"]
+
+[affected]
+functions = { "rustls::ConnectionCommon::complete_io" = ["<= 0.23.4", "<= 0.22.3", "<= 0.21.10", "0.20"] }
+```
+
+# `rustls::ConnectionCommon::complete_io` could fall into an infinite loop based on network input
+
+If a `close_notify` alert is received during a handshake, `complete_io`
+does not terminate.
+
+Callers which do not call `complete_io` are not affected.
+
+`rustls-tokio` and `rustls-ffi` do not call `complete_io`
+and are not affected.
+
+`rustls::Stream` and `rustls::StreamOwned` types use
+`complete_io` and are affected.