CVE-2026-8452
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Memory Overflow in NetScaler ADC and Gateway Leading to DoS

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5

Description
Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server

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Meta Information

Published
2026-06-30
Last Modified
2026-06-30
Generated
2026-06-30
AI Q&A
2026-06-30
EPSS Evaluated
N/A
NVD
CVE-2026-8452
EUVD
EUVD-2026-40307

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
citrix netscaler_adc *
citrix netscaler_gateway *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

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Executive Summary

This vulnerability is a memory overflow issue in NetScaler ADC and NetScaler Gateway appliances. It can cause unpredictable or erroneous behavior and may lead to a Denial of Service (DoS) condition. The vulnerability specifically affects appliances configured as a Gateway (such as SSL VPN, ICA Proxy, CVPN, RDP Proxy) or as an AAA virtual server.

Impact Analysis

The impact of this vulnerability includes unpredictable or erroneous behavior of the affected appliance and the potential for Denial of Service (DoS). This means that the appliance could become unavailable or unstable, disrupting services that rely on it, such as VPN access or authentication services.

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