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Vulnerability record · CVE-2019-6539 · published 13 February 2019

CVE-2019-6539: We-con levistudiou heap-based buffer overflow vulnerability

We Con · Levistudiou

Several heap-based buffer overflow vulnerabilities in WECON LeviStudioU version 1.8.56 and prior have been identified, which may allow arbitrary code execution. Mat Powell, Ziad Badawi, and Natnael Samson working with Trend Micro's Zero Day Initiative, reported these vulnerabilities to NCCIC.

7.8 CVSS 3.1 High EPSS 2.1% · top 18.8% CWE-122 · Heap-based buffer overflowCWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 9.3
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Several heap-based buffer overflow vulnerabilities in WECON LeviStudioU version 1.8.56 and prior have been identified, which may allow arbitrary code execution. Mat Powell, Ziad Badawi, and Natnael Samson working with Trend Micro's Zero Day Initiative, reported these vulnerabilities to NCCIC.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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
http://www.securityfocus.com/bid/106861 Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-19-036-03 PatchThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/106861 Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-19-036-03 PatchThird Party AdvisoryUS Government Resource

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Related vulnerabilities

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

8.8CVE-2018-10614We-con levistudiou xml external entity (xxe) vulnerabilityAn XXE vulnerability in LeviStudioU, Versions 1.8.29 and 1.8.44 can be exploited when the application processes specially crafted project XML files.EPSS 1.1%8.8CVE-2018-10610We-con levistudiou out-of-bounds write vulnerabilityAn out-of-bounds vulnerability in LeviStudioU, Versions 1.8.29 and 1.8.44 can be exploited when the application processes specially crafted project f…EPSS 1.1%8.8CVE-2018-10606We-con levistudiou heap-based buffer overflow vulnerabilityWECON LeviStudio Versions 1.8.29 and 1.8.44 have multiple heap-based buffer overflow vulnerabilities that can be exploited when the application proce…EPSS 1.9%8.8CVE-2018-10602We-con levistudiou stack-based buffer overflow vulnerabilityWECON LeviStudio Versions 1.8.29 and 1.8.44 have multiple stack-based buffer overflow vulnerabilities that can be exploited when the application proc…EPSS 1.9%7.8CVE-2021-23157We-con levistudiou heap-based buffer overflow vulnerabilityWECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.EPSS 7.6%7.8CVE-2021-23138We-con levistudiou stack-based buffer overflow vulnerabilityWECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code.EPSS 8.6%7.8CVE-2021-43983We-con levistudiou stack-based buffer overflow vulnerabilityWECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which m…EPSS 2.9%7.8CVE-2020-16243We-con levistudiou stack-based buffer overflow vulnerabilityMultiple buffer overflow vulnerabilities exist when LeviStudioU (Version 2019-09-21 and prior) processes project files. Opening a specially crafted p…EPSS 12%

Source: NIST National Vulnerability Database (record CVE-2019-6539), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.