New QUIC-LEAK Vulnerability Let Attackers Exhaust Server Memory and Trigger DoS Attack

A critical pre-handshake vulnerability in the LSQUIC QUIC implementation that allows remote attackers to crash servers through memory exhaustion attacks.  The vulnerability, designated CVE-2025-54939 and dubbed “QUIC-LEAK,” affects the second most widely used QUIC implementation globally, potentially impacting over 34%…

The post New QUIC-LEAK Vulnerability Let Attackers Exhaust Server Memory and Trigger DoS Attack appeared first on IT Security News.

21 August 2025
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