Vulnerability Intelligence Report
CVE-2025-54939
LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.
No Active Exploit Signals
CVSS Base Score
5.3
MEDIUM
Exploitability:3.9
Impact Score:1.5
EPSS Probability:0.77%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-770 ↗CWE-770 Allocation of Resources Without Limits or Throttling
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| litespeedtech | LSQUIC | 0 < 4.3.1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.771%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2025-08-01T00:00:00 |
| Published | 2025-08-01T00:00:00 |
| Last Updated | 2025-08-20T19:55:50 |
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