CVE-2025-24947

—

CVSS 3.1

5.3 medium

EPSS

<1%p50

Published

Feb 20, 2025 (Feb 20, 2025)

Modified

Jun 17, 2026

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.

Weakness: CWE-407
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (0.7%)

In the news0 stories

No ingested article mentions this CVE yet.