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Vulnerability record · CVE-2022-30592 · published 11 May 2022

CVE-2022-30592: Litespeedtech lsquic null pointer dereference vulnerability

Litespeedtech · Lsquic

liblsquic/lsquic_qenc_hdl.c in LiteSpeed QUIC (aka LSQUIC) before 3.1.0 mishandles MAX_TABLE_CAPACITY.

9.8 CVSS 3.1 Critical EPSS 3.2% · top 12.3% CWE-476 · NULL pointer dereference
9.8CVSS 3.1 base score, v2 7.5
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

liblsquic/lsquic_qenc_hdl.c in LiteSpeed QUIC (aka LSQUIC) before 3.1.0 mishandles MAX_TABLE_CAPACITY.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/litespeedtech/lsquic/commit/a74702c630e108125e71898398737baec8f02238#diff-73a138506faffe5f1efa8586346 PatchThird Party Advisory
https://github.com/litespeedtech/lsquic/releases/tag/v3.1.0 Release NotesThird Party Advisory
https://github.com/litespeedtech/lsquic/commit/a74702c630e108125e71898398737baec8f02238#diff-73a138506faffe5f1efa8586346 PatchThird Party Advisory
https://github.com/litespeedtech/lsquic/releases/tag/v3.1.0 Release NotesThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-25678Litespeedtech lsquic vulnerabilityIn LiteSpeed QUIC (LSQUIC) Library before 4.0.4, DCID validation is mishandled.EPSS 0.35%7.5CVE-2025-54939Litespeedtech litespeed web adc allocation without limits vulnerabilityLiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.EPSS 0.81%6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed

Source: NIST National Vulnerability Database (record CVE-2022-30592), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.