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CVE-2025-24947 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/litespeedtech/lsquic/releases/tag/v4.2.0
https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory
https://xxhash.com

Weakness Enumeration

CWE-ID CWE Name Source
CWE-407 Inefficient Algorithmic Complexity MITRE  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-24947
NVD Published Date:
02/19/2025
NVD Last Modified:
02/19/2025
Source:
MITRE