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CVE-2026-8655 Details

Description

Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604	NetScaler	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	CISA-ADP

Affected Products

Product	Versions
citrix netscaler application delivery controller	< 13.1-37.272 >= 13.1, < 13.1-63.18 >= 14.1, < 14.1-72.61 14.1-66.68
CPE cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::fips:::* cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::ndcpp:::* cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::* cpe:2.3:a:citrix:netscaler_application_delivery_controller:14.1-66.68::::fips::: Remediation No remediation found in references.
citrix netscaler gateway	>= 13.1, < 13.1-63.18 >= 14.1, < 14.1-72.61
CPE cpe:2.3:a:citrix:netscaler_gateway:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jul 1, 2026	Initial Analysis	[email protected]
Jun 30, 2026	CVE Modified	CISA-ADP
Jun 30, 2026	New CVE Received	NetScaler