CVE-2025-54939

PoC —

CVSS 3.1

7.5 high

EPSS

<1%p54

Published

Aug 1, 2025 (Aug 1, 2025)

Modified

Jun 17, 2026

Description

LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.

Vendors: litespeedtech
Products: litespeed web adc, litespeed web server, lsquic, openlitespeed
Weakness: CWE-770, CWE-401
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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