CVE-2025-54939

HIGH 7.5EPSS 0.8%

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

CVSS v3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS: 0.77% chance of exploitation in the next 30 days, 53th percentile
Published: 2025-08-01
Updated: 2025-08-20

Proof-of-concept exploits (1)

yohannslm/CVE-2025-54939

References

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