CVE-2025-5941

Out-of-Bounds Read Vulnerability in Netskope Client

Published Aug 14, 2025 CVSS 4.0 · 2 Low EPSS < 1% KEV · Not listed
Description
Netskope is notified about a potential gap in its agent (NS Client) in which a malicious actor could trigger a memory leak by sending a crafted DNS packet to a machine. A successful exploitation may require administrative privileges on the machine, based on the exact configuration. A successful exploit can potentially result in user-controllable memory being leaked in a domain name stored on the local machine.

Remediation

Vendor Solution

Upgrade the Netskope Client to version 129.0.0 or newer

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-24662 Netskope is notified about a potential gap in its agent (NS Client) in which a malicious actor could trigger a memory leak by sending a crafted DNS packet to a machine. A successful exploitation may require administrative privileges on the machine, based on the exact configuration. A successful exploit can potentially result in user-controllable memory being leaked in a domain name stored on the local machine.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Netskope
Netskope netskope
Vendors & Products Netskope
Netskope netskope
Type Values Removed Values Added
Description Netskope is notified about a potential gap in its agent (NS Client) in which a malicious actor could trigger a memory leak by sending a crafted DNS packet to a machine. A successful exploitation may require administrative privileges on the machine, based on the exact configuration. A successful exploit can potentially result in user-controllable memory being leaked in a domain name stored on the local machine.
Title Out-of-Bounds Read Vulnerability in Netskope Client
Weaknesses CWE-125
References
Metrics cvssV4_0

{'score': 2, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Netskope
Published
Updated
Aug 15, 2025, 12:58 PM
Reserved
Jun 9, 2025, 4:38 PM
Status
Deferred
Published
Aug 14, 2025, 5:15 AM
Modified
Jun 17, 2026, 9:49 AM