Security Advisory

CVE-2025-24947

5.3
MEDIUM

Vulnerability Description

A hash collision vulnerability (in the hash table used to manage connections) in LSQUIC (aka LiteSpeed QUIC) before 4.2.0 allows remote attackers to cause a considerable CPU load on the server (a Hash DoS attack) by initiating connections with colliding Source Connection IDs (SCIDs). This is caused by XXH32 usage.
Published Date February 20, 2025
Official Source NIST NVD Advisory