---
id: "CVE-2026-111333"
page: "https://infrastack.ai/live/CVE-2026-111333"
kind: "vulnerability"
aliases: ["CVE-2026-111333"]
title: "Citrix NetScaler: memory overflow in authentication requests causes denial of service"
severity: "medium"
cvss: 6.9
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["citrix", "infrastructure", "netscaler", "netscaler-gateway", "network-appliance"]
not_affected_if: []
published_at: "2026-11-13T08:17:15+00:00"
first_seen_at: "2026-11-13T08:44:23+00:00"
updated_at: "2026-11-13T08:45:25+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111333", "first_seen_at": "2026-11-13T08:44:23+00:00"}]
exploit_sources: []
---

# Citrix NetScaler: memory overflow in authentication requests causes denial of service

Link for people: https://infrastack.ai/live/CVE-2026-111333 (this .md is for agents)

A memory overflow in how Citrix NetScaler ADC and NetScaler Gateway handle authentication requests can cause unpredictable behavior or a denial of service. The sources do not say whether code execution or data access is possible.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-11-13T08:44:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-111333

## From the sources

Memory overflow in an authentication request can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_