CVE-2025-5942: Heap Overflow in Netskope Endpoint DLP Driver

Published Aug 14, 2025
·
Updated

Netskope was notified about a potential gap in its agent (NS Client) on Windows systems. If this gap is successfully exploited, an unprivileged user can trigger a heap overflow in the epdlpdrv.sys driver, leading to a Blue-Screen-of-Death (BSOD). Successful exploitation can also potentially be performed by an unprivileged user whose NS Client is configured to use Endpoint DLP. A successful exploit can result in a denial-of-service for the local machine.

Affected Software

1 affected component
Netskope NS Client

Remediation

Information

Update the Netskope Client to version 129.0.0 or newer, or to the hotfix version of 126.0.9.

Event History

Aug 14, 2025
CVE Published
via MITRE·04:36 AM
Data Sourced
via MITRE·04:36 AM
RemedyDescriptionWeakness
Data Sourced
via NVD·05:15 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2025-5942?

CVE-2025-5942 has been classified with a severity rating indicating a potential for significant impact due to the possibility of a Blue-Screen-of-Death (BSOD).

2

How do I fix CVE-2025-5942?

To fix CVE-2025-5942, update to the latest version of the Netskope NS Client provided by Netskope.

3

What are the impacts of CVE-2025-5942 exploitation?

Exploitation of CVE-2025-5942 can result in a heap overflow in the epdlpdrv.sys driver, leading to system crashes and Blue-Screen-of-Death (BSOD).

4

Who is affected by CVE-2025-5942?

CVE-2025-5942 affects users running the Netskope NS Client on Windows systems.

5

What type of attack does CVE-2025-5942 facilitate?

CVE-2025-5942 facilitates a heap overflow attack that can be executed by an unprivileged user.

Contact

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