CVE-2025-54939
LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.
| Software | From | Fixed in |
|---|---|---|
| litespeedtech / litespeed_web_adc | - | 3.3.1 |
| litespeedtech / litespeed_web_server | - | 6.3.4 |
| litespeedtech / lsquic | - | 4.3.1 |
| litespeedtech / openlitespeed | - | 1.8.4 |
- https://blog.litespeedtech.com/2025/08/18/litespeed-security-update/
- https://github.com/litespeedtech/lsquic/blob/70486141724f85e97b08f510673e29f399bbae8f/CHANGELOG#L1-L3
- https://github.com/litespeedtech/lsquic/commit/4cd9252e77fb4a36b572e2167a84067d603d3b23
- https://www.imperva.com/blog/quic-leak-cve-2025-54939-new-high-risk-pre-handshake-remote-denial-of-service-in-lsquic-quic-implementation/
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