CVE-2026-57497 webtransport-go: Memory Exhaustion Attack due to Buffering of Unknown Capsules

webtransport-go is an implementation of the WebTransport protocol. Prior to 0.11.1, Session.parseNextCapsule in session.go skips an unknown WebTransport capsule on the HTTP/3 request stream by calling io.ReadAll on the capsule reader, retaining the complete declared capsule body in memory. A...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS in .NET Kestrel where a malicious client can bypass QUIC stream limit in HTTP/3 in both ASP.NET and .NET runtimes, resulting in exploitation of this vulnerability. Note: .NET 6 included HTTP/3 support as a preview...