CVE-2023-43687: Race Condition

Published Aug 14, 2025
·
Updated

An issue was discovered in Malwarebytes before 4.6.14.326 and before 5.1.5.116 (and Nebula 2020-10-21 and later). There is a Race condition that leads to code execution because of a lack of locks between file verification and execution.

Affected Software

2 affected components
Malwarebytes Malwarebytes<4.6.14.326, <5.1.5.116
Malwarebytes Nebula>2020-10-21

Event History

Aug 14, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2023-43687?

CVE-2023-43687 has a high severity due to its potential to allow arbitrary code execution.

2

How do I fix CVE-2023-43687?

To fix CVE-2023-43687, update Malwarebytes to version 4.6.14.326 or later, or to version 5.1.5.116 or later.

3

Which versions of Malwarebytes are affected by CVE-2023-43687?

CVE-2023-43687 affects Malwarebytes versions before 4.6.14.326 and 5.1.5.116, as well as Nebula versions released after 2020-10-21.

4

What is the nature of the vulnerability in CVE-2023-43687?

The vulnerability in CVE-2023-43687 is a race condition that occurs due to the lack of locks between file verification and execution.

5

Can CVE-2023-43687 be exploited remotely?

Yes, CVE-2023-43687 can potentially be exploited remotely, allowing an attacker to execute arbitrary code.

Contact

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