CVE-2025-24947

CVSS 5.3 MEDIUMEPSS 0.6%CWE-407

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Produtos afetados

litespeedtech · LSQUIC

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Referências

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