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 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.
- Score
- CVSS 3.1 5.3 Medium
- Status
- Deferred - cve@mitre.org
- Published
- 2025-02-20
- Last modified
- 2025-02-20
- Weaknesses
- CWE-407
Affected products
References
- https://github.com/litespeedtech/lsquic/releases/tag/v4.2.0
- https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory
- https://xxhash.com
