Http3

XRING — XQUIC QPACK Ring Buffer Resize Underflow (Remote Unauthenticated DoS) new—networkCRITICALUnpatched2026-07-08HAProxy HTTP/3 (QUIC) Standalone FIN Body Validation Bypass Leading to Request Smuggling — CVE-2026-33555 newCVE-2026-33555networkHIGHPatched2026-07-05