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9.5

Citrix NetScaler ADC and Gateway may crash or be disabled

CVE-2026-107412 · published 2 days ago
Summary

The ADC and Gateway devices from Citrix can experience memory overload that makes them behave oddly or stop working, potentially interrupting user access. This happens when specially crafted data is processed, causing the system to run out of memory. Apply the latest updates from Citrix and restart the devices after installing to protect against these issues.

What to do
  • Update citrix netscaler adc to version 14.1-73.57 or later.
  • Update citrix netscaler gateway to version 14.1-73.57 or later.
Affected software
VendorProductAffected versions
citrix netscaler adc < 14.1-73.57
citrix netscaler gateway < 14.1-73.57
Original advisory text
Multiple Memory overflow vulnerabilities can lead to unpredictable or erroneous behavior and Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway
Multiple Memory overflow vulnerabilities can lead to unpredictable or erroneous behavior and Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway.
References
Severity
9.5 Critical
Exploitation
<1% chance of attack within 30 days
Timeline
Published13 Nov 2026
Updated14 Nov 2026
First seen13 Nov 2026
Sources
CVE-2026-107412 · NVD
CVE-2026-107412 · MITRE
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