Archive for the ‘Citrix Netscaler’ Category

Citrix NetScaler ADC and Citrix NetScaler Gateway – Security Bulletin for CVE-2026-107406

Dienstag, Oktober 13th, 2026

Cloud Software Group strongly urges affected customers of NetScaler ADC and NetScaler Gateway to install the following updated versions as soon as possible

Security Bulletin for CVE-2026-107406

Citrix NetScaler ADC and Citrix NetScaler Gateway 14.1-73.46 and later releases
Citrix NetScaler ADC and Citrix NetScaler Gateway 13.1-64.29 and later releases of 13.1
Citrix NetScaler ADC 14.1-FIPS 14.1-73.46 FIPS and later releases of 14.1-FIPS
Citrix NetScaler ADC 13.1-FIPS and 13.1-NDcPP 13.1.37.283 and later releases of 13.1-FIPS and 13.1-NDcPP

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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

Montag, September 28th, 2026

The following supported versions of Citrix NetScaler ADC and Citrix NetScaler Gateway are affected by the vulnerabilities

Citrix NetScaler ADC and Citrix NetScaler Gateway 14.1 BEFORE 14.1-73.37
Citrix NetScaler ADC and Citrix NetScaler Gateway 13.1 BEFORE 13.1-64.23
Citrix NetScaler ADC FIPS BEFORE 14.1-73.37 FIPS
Citrix NetScaler ADC FIPS and NDcPP BEFORE 13.1-37.279

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Citrix – closes security vulnerabilities in Netscaler ADC and Gateway

Mittwoch, Juni 18th, 2025
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694718
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694724

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Citrix NetScaler 13.0 Release – EOL Date 15.07.2024 and customers on those versions are recommended to upgrade to one of the supported versions

Dienstag, Juli 9th, 2024

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Citrix NetScaler – get details on latest features, tips and tricks for easy configuration

Samstag, Mai 16th, 2020

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Citrix Application Delivery Controller (ADC) – formerly known as NetScaler ADC and Citrix Gateway formerly known as NetScaler Gateway that, if exploited, could allow an unauthenticated attacker to perform arbitrary code execution

Dienstag, Januar 14th, 2020

Citrix Application Delivery Controller (ADC) – on December 17 2019 Citrix released security bulletin CTX267027 Citrix expects to have firmware updates in the form of refresh builds to be available across all supported versions of Citrix ADC and Citrix Gateway before the end of January 2020

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Citrix NetScaler ≥12.0 – High CPU Usage on NetScaler VPX Reported on VMware ESXi Version 6.0

Dienstag, August 6th, 2019

Citrix NetScaler – when monitoring CPU utilization on the NetScaler you will periodically notice Management CPU (CPU 0) reporting 100% Utilization – this is normal behavior – the NetScaler’s management CPU performs periodic tasks to compress and roll-over log files, amongst other things.  These processes are designed to take 100% CPU utilization on the Management CPU.

This is an expected behavior with latest NetScaler ≥12.0 build. This is because we have disabled CPU yielding for the VPX.

In case you want to over-ride it they can use CLI command to enable yield:

> set ns vpxparam -cpuyield YES
> show ns runningConfig | grep „cpuyield“
set ns vpxparam -cpuyield YES

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Citrix Netscaler Firmware Release 12.0.56.20 – neu ist die Netscaler Express Lizenz „Freemium“ von 20 Mbit/s Bandbreite bereits vorinstalliert

Donnerstag, Januar 4th, 2018

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