CVE-2025-5942 Heap Overflow in Netskope Endpoint DLP Driver
An unprivileged user can trigger a heap overflow in the Netskope Endpoint DLP driver, causing a system crash and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-5942?
CVE-2025-5942 is a medium-severity memory corruption vulnerability in Netskope Client, published on 14 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-122
Which versions are affected by CVE-2025-5942?
How do I fix CVE-2025-5942?
No fix has been published for CVE-2025-5942 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-5942 being exploited?
There is no known exploitation of CVE-2025-5942 in the wild and no public exploit code.
Sources
Also known as GHSA-wwxh-p9hv-8wfx.