CVE-2026-111337
Received Received - Intake

Memory Overflow in Base64 Decoding in Citrix NetScaler

Vulnerability report for CVE-2026-111337, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-11-13

Last updated on: 2026-11-13

Assigner: NetScaler

Description

Memory overflow in Base64 decoding in advanced policy expressions leading 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
EUVD

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Showing 2 associated CPEs

Helpful Resources

Exploitability

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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a memory overflow issue in Base64 decoding within advanced policy expressions. It affects Citrix NetScaler ADC and Citrix NetScaler Gateway, potentially causing unpredictable behavior, erroneous operations, or Denial of Service.

Impact Analysis

The vulnerability could lead to system crashes, service disruptions, or unauthorized access due to memory corruption. It may allow attackers to exploit the overflow to execute arbitrary code or disrupt normal operations.

Mitigation Strategies

Apply the latest security patches or updates from Citrix for NetScaler ADC and NetScaler Gateway to address the memory overflow issue in Base64 decoding.

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