QUIC-LEAK (CVE-2025-54939): New High-Risk Pre-Handshake Remote Denial of Service in LSQUIC QUIC Implementation

Imperva Offensive team discovered that threat actors could smuggle malformed packets to exhaust memory and crash QUIC servers even before a connection handshake is established, therefore, bypassing QUIC connection-level safeguards. Executive Summary QUIC-LEAK CVE-2025-54939 is a newly discovered...