CVE-2026-111336
Received Received - Intake

Memory Overflow in Citrix NetScaler ADC and Gateway

Publication date: 2026-11-13

Last updated on: 2026-11-13

Assigner: NetScaler

Description
Memory overflow in HTTP/2 handling can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway.

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Meta Information

Published
2026-11-13
Last Modified
2026-11-13
Generated
2026-11-13
AI Q&A
2026-11-13
EPSS Evaluated
N/A
NVD
CVE-2026-111336
EUVD
EUVD-2026-124887

Affected Vendors & Products

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

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves a memory overflow in HTTP/2 handling within Citrix NetScaler ADC and Citrix NetScaler Gateway. It can cause unpredictable behavior or Denial of Service (DoS) by disrupting normal memory operations during HTTP/2 processing.

Impact Analysis

The vulnerability may lead to system crashes, service disruptions, or degraded performance for affected Citrix NetScaler ADC and Gateway devices. Users relying on these systems for network traffic management or secure remote access could experience downtime or unreliable service.

Mitigation Strategies

Apply the latest security patches or updates provided by Citrix for NetScaler ADC and NetScaler Gateway to address the memory overflow issue in HTTP/2 handling.

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