PatchTheCVE: levistudiouhttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2021-23157: WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allohttps://patchthecve.com/cve/CVE-2021-23157.htmlhttps://patchthecve.com/cve/CVE-2021-23157.htmlWed, 17 Jun 2026 03:38:21 +0000HIGH 7.8: WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.CVE-2021-23138: WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a stack-based buffer overflow, which may allhttps://patchthecve.com/cve/CVE-2021-23138.htmlhttps://patchthecve.com/cve/CVE-2021-23138.htmlWed, 17 Jun 2026 03:38:20 +0000HIGH 7.8: WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code.CVE-2021-43983: WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instanchttps://patchthecve.com/cve/CVE-2021-43983.htmlhttps://patchthecve.com/cve/CVE-2021-43983.htmlWed, 17 Jun 2026 04:11:44 +0000HIGH 7.8: WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which may allow an attacker to execute arbitrary code.CVE-2020-16243: Multiple buffer overflow vulnerabilities exist when LeviStudioU (Version 2019-09-21 and prior) processes projehttps://patchthecve.com/cve/CVE-2020-16243.htmlhttps://patchthecve.com/cve/CVE-2020-16243.htmlWed, 17 Jun 2026 02:57:55 +0000HIGH 7.8: Multiple buffer overflow vulnerabilities exist when LeviStudioU (Version 2019-09-21 and prior) processes project files. Opening a specially crafted project file could allow an attacker to exploit and execute code under the privileges of the application.CVE-2020-25199: A heap-based buffer overflow vulnerability exists within the WECON LeviStudioU Release Build 2019-09-21 and prhttps://patchthecve.com/cve/CVE-2020-25199.htmlhttps://patchthecve.com/cve/CVE-2020-25199.htmlWed, 17 Jun 2026 03:06:34 +0000HIGH 7.8: A heap-based buffer overflow vulnerability exists within the WECON LeviStudioU Release Build 2019-09-21 and prior when processing project files. Opening a specially crafted project file could allow an attacker to exploit and execute code under the privileges of the application.CVE-2020-25186: An XXE vulnerability exists within LeviStudioU Release Build 2019-09-21 and prior when processing parameter enhttps://patchthecve.com/cve/CVE-2020-25186.htmlhttps://patchthecve.com/cve/CVE-2020-25186.htmlWed, 17 Jun 2026 03:06:32 +0000HIGH 7.5: An XXE vulnerability exists within LeviStudioU Release Build 2019-09-21 and prior when processing parameter entities, which may allow file disclosure.