LiteSpeed QUIC up to 3.0.x lsquic_qenc_hdl.c MAX_TABLE_CAPACITY Privilege Escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as problematic, was found in LiteSpeed QUIC up to 3.0.x. This affects an unknown functionality of the file liblsquic/lsquic_qenc_hdl.c. The manipulation of the argument MAX_TABLE_CAPACITY with an unknown input leads to a unknown weakness. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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

The weakness was released 05/12/2022 as a74702c630e108125e71898398737baec8f02238. The advisory is shared at This vulnerability is uniquely identified as CVE-2022-30592 since 05/11/2022. The attack can only be done within the local network. The successful exploitation needs a authentication. Technical details are known, but no exploit is available.

Upgrading to version 3.1.0 eliminates this vulnerability. The upgrade is hosted for download at Applying the patch a74702c630e108125e71898398737baec8f02238 is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version.




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Unknown
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: QUIC 3.1.0
Patch: a74702c630e108125e71898398737baec8f02238


05/11/2022 CVE reserved
05/12/2022 +1 days Advisory disclosed
05/12/2022 +0 days VulDB entry created
05/14/2022 +2 days VulDB last update


Advisory: a74702c630e108125e71898398737baec8f02238
Status: Confirmed

CVE: CVE-2022-30592 (🔒)


Created: 05/12/2022 12:31 PM
Updated: 05/14/2022 02:43 PM
Changes: (1) source_cve_nvd_summary
Complete: 🔍


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