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CVE-2026-88777 Details

Description

Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to unpredictable or erroneous behavior or Denial of Service

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=CTX697096&articleTitle=Citrix_NetScaler_ADC_and_Citrix_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_88771_CVE_2026_88772_CVE_2026_88773_CVE_2026_88774_CVE_2026_88775_CVE_2026_88776_CVE_2026_88777_and_CVE_2026_88778	NetScaler	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
citrix netscaler application delivery controller	>= 13.1, < 13.1-64.23 >= 13.1, < 13.1.37.279 >= 14.1, < 14.1-73.37 >= 14.1-66.68, <= 14.1-73.37
CPE cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::* cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::fips:::* cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::ndcpp:::* Remediation No remediation found in references.
citrix netscaler gateway	>= 13.1, < 13.1-64.23 >= 14.1, < 14.1-73.37
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
Sep 28, 2026	Initial Analysis	[email protected]
Sep 28, 2026	CVE Translated	[email protected]
Sep 27, 2026	New CVE Received	NetScaler