Litespeedtech · weakness class
Denial of Service
4 CVEs
Every dot is a CVE in what this vendor ships; the named ones are the most at risk.
Every one of the 4 is a mark on the map. Named now: 1 to 4, most at risk first.
- LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.
- 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…
- In lsquic before 4.9.0, the HTTP/3 implementation can use an excessive amount of memory because the number of buffered header sets is not limited, as demonstrated by a QPACK ampli…
- OpenLiteSpeed before 1.8.1 mishandles chunked encoding.
exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-15 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.