medium5.3
CVE-2025-24947
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 co…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| LSQUIC (Aka LiteSpeed QUIC) | before 4.2.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.